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DR BARRON Hair, Skin & Nails Gummies — Physician-Formulated. Research Backed.
Hero — Physician-Formulated. Research Backed.
Dr. Renanit Barron, MD — Physician quote
11 Research-Backed Ingredients
Supplement Facts Panel
What to Expect — Monthly Timeline
Supports Hair, Skin & Nails
Real Science, Real Results
Verified customer review and 90-day guarantee
★★★★★ 4.9 Formulated by Board-Certified Endocrinologist · 25+ yrs exp.
The Complete System · Physician-Formulated

The Complete System

Thinning comes from two directions — so does the routine. The gummy supports your hair from within; the serum supports it at the scalp. Together: 17 research-backed actives, built by a board-certified endocrinologist to support the appearance of fuller, stronger, healthier-looking hair.

  • 17 research-backed actives
  • Within + at the scalp
  • Drug-free, no prescription
  • 90-day money-back guarantee

Best Value
90-Day Supply Save 30%
$63 $95 /mo
$189 USD every 12 weeks $2.10 USD / DAY
  • Free: Dr. Barron's 90-Day Hair Reset Protocol
  • 90-Day Money-Back Guarantee
  • Built for one full hair cycle — follicles take ~90 days to show changes
  • Maximum savings — lowest price per day
  • Cancel or pause anytime
  • Free shipping on every order
30-Day Supply Save 20%
$76 $95 /mo
$76 USD every 4 weeks $2.53 USD / DAY
  • Free: The 30-Day Kickstart guide
  • 30-Day Money-Back Guarantee
  • Save 20% — great value per serving
  • Cancel or pause anytime
  • Free shipping on every order
Created by a board-certified endocrinologist — 20+ years of practice treating hair, skin, and hormonal health, now formulated for at-home daily support.
100k+Patient visits
2003Practice established
20+Years of practice
View Dr. Barron’s credentials →
90-Day
Money Back
Free
Shipping
Cancel
Anytime

Benefits

Supports the appearance of stronger, fuller hair as part of consistent daily use.
Supports skin and nail health through targeted delivery of bioavailable vitamins and minerals.
Provides essential amino acids involved in keratin synthesis and follicle health.
Full ingredient list +
Per 2-gummy serving:
  • Vitamin C (as Ascorbic Acid) — 30mg · 33% DV
  • Vitamin D (as Cholecalciferol) — 35mcg / 1,400 IU · 175% DV
  • Vitamin E (as d-Alpha Tocopherol) — 6mg · 40% DV
  • Biotin — 10,000mcg · 33,333% DV
  • Zinc (as Amino Acid Chelate) — 5mg · 45% DV
  • Selenium (as L-Selenomethionine) — 25mcg · 45% DV
  • Collagen Peptides (Bovine) — 350mg
  • MSM (Methylsulfonylmethane) — 50mg
  • Pumpkin Seed Extract (Cucurbita pepo) — 50mg
  • Bamboo Extract (providing Silica) — 15mg
  • L-Cysteine HCl — 10mg
Other ingredients: Organic cane sugar, organic tapioca syrup, purified water, pectin, citric acid, sodium citrate, natural flavors and colors from fruits or vegetables.
How to use +
Take 2 gummies daily, with or without food. Like any supplement, the formula is intended for long-term daily use as part of a consistent routine — individual responses to supplementation vary.
Allergens & dietary +
Contains: Bovine collagen peptides.
Free from: Gluten, dairy, soy, eggs, tree nuts, peanuts, shellfish, fish, artificial colors, artificial flavors, high-fructose corn syrup.
Not vegan (contains bovine collagen peptides). Not recommended during pregnancy or breastfeeding without consulting your physician. Discuss with your doctor before use if you have a thyroid condition or take prescription medication.
Storage & shelf life +
Store in a cool, dry place away from direct sunlight. Reseal after each use. Shelf life is 18 months from manufacture date; best-by date is printed on the bottom of the bottle.
Shipping & returns +
Free shipping on all subscriptions. One-time orders ship at standard rates. Subscriptions deliver every 30 days — pause, skip, or cancel anytime from your account. Backed by a 90-day money-back guarantee on opened or unopened bottles. Contact our team for refund instructions; no return shipping required.
Complete your routineSAVE 30%
The Complete System
The Complete System
Hair, Skin & Nails Gummies support hair, skin, and nail health from within. The Hair Serum targets the scalp environment topically.
$63 $95

Built to a standard most supplements don't hold themselves to

Physician-
formulated
11 research-backed
ingredients
Selected for
bioavailability
cGMP-certified
facility
Drug-free
No prescription
required
Dr. Renanit E. Barron, MD
Behind the formula

Dr. Renanit Barron, MD

Board-Certified Endocrinologist · Co-Founder

“I’ve spent my career treating the hormonal systems behind hair density — thyroid, cortisol, estrogen, testosterone. After years of seeing thinning hair as a downstream symptom of hormones that were off, I formulated the gummy I wanted to give my own patients.”

100k+Patient visits
2003Practice established
20+Years of practice
Specialty
Endocrinology
Focus
Hormonal drivers of hair, skin & nail change
Educated & Trained
University of Miami School of Medicine
University of Florida College of Medicine
Why this formula exists

The numbers behind hair, skin & nail change

0%

Of U.S. adults don't get enough essential vitamins and minerals from food alone — the same nutrients your hair, skin, and nails are built from.

0%

Of adults notice visible changes in hair density, skin texture, or nail strength by their late 30s.

1 in 3

Adults notice early signs of hair thinning by their mid-30s — earlier than most expect.

Figures drawn from CDC NHANES dietary intake data, American Academy of Dermatology, and American Hair Loss Association.
Why thinning has more than one cause

Six root causes, across both directions

Hair thinning rarely traces to one thing. It comes from within and at the scalp at once — the Complete System was built around the six that matter most, in both directions.

Estrogen, thyroid, and cortisol shift across your life — and your follicles feel every change. The gummy supports the nutrient pathways those hormones rely on, from within.
Biotin, zinc, vitamin D, and selenium help build new hair, skin, and nail cells every day, and modern diets often miss the mark. The gummy supplies the cofactors your body runs on.
Free radicals from UV, pollution, and stress damage cells — from within and at the scalp. Vitamin C, vitamin E, and selenium support antioxidant defense systemically, while rosemary extract supports it at the scalp surface.
Hair, skin, and nails are built from collagen and keratin — and hair sits on a scaffold that anchors it in the scalp. Collagen peptides, L-cysteine, and silica supply the raw materials from within; Acetyl Tetrapeptide-3 supports the proteins that anchor hair at the scalp.
Every hair moves through growth, rest, and shed phases, driven by signals at the follicle and its dermal papilla. Vitamin D, zinc, and pumpkin seed extract support those pathways from within; Copper Tripeptide-1 (GHK-Cu) supports dermal papilla function at the scalp.
Low-grade inflammation, an imbalanced microbiome, and sluggish circulation at the scalp quietly drive thinning. Rosemary leaf extract, Bacillus and Saccharomyces ferments, and caffeine support a calmer, balanced, well-supplied scalp so follicles can function.
HORMONES

Estrogen, thyroid, and cortisol shift across your life — and your follicles feel every change. The gummy supports the nutrient pathways those hormones rely on, from within.

NUTRIENT GAPS

Biotin, zinc, vitamin D, and selenium help build new hair, skin, and nail cells every day, and modern diets often miss the mark. The gummy supplies the cofactors your body runs on.

OXIDATIVE STRESS

Free radicals from UV, pollution, and stress damage cells — from within and at the scalp. Vitamin C, vitamin E, and selenium support antioxidant defense systemically, while rosemary extract supports it at the scalp surface.

COLLAGEN DECLINE

Hair, skin, and nails are built from collagen and keratin — and hair sits on a scaffold that anchors it in the scalp. Collagen peptides, L-cysteine, and silica supply the raw materials from within; Acetyl Tetrapeptide-3 supports the proteins that anchor hair at the scalp.

FOLLICLE CYCLING

Every hair moves through growth, rest, and shed phases, driven by signals at the follicle and its dermal papilla. Vitamin D, zinc, and pumpkin seed extract support those pathways from within; Copper Tripeptide-1 (GHK-Cu) supports dermal papilla function at the scalp.

KERATIN SYNTHESIS

Low-grade inflammation, an imbalanced microbiome, and sluggish circulation at the scalp quietly drive thinning. Rosemary leaf extract, Bacillus and Saccharomyces ferments, and caffeine support a calmer, balanced, well-supplied scalp so follicles can function.

Hormones

Estrogen, thyroid, and cortisol shift across your life — and your follicles feel every change. The gummy supports the nutrient pathways those hormones rely on, from within.

Nutrient gaps

Biotin, zinc, vitamin D, and selenium help build new hair, skin, and nail cells every day, and modern diets often miss the mark. The gummy supplies the cofactors your body runs on.

Oxidative stress

Free radicals from UV, pollution, and stress damage cells — from within and at the scalp. Vitamin C, vitamin E, and selenium support antioxidant defense systemically, while rosemary extract supports it at the scalp surface.

Structure & anchoring

Hair, skin, and nails are built from collagen and keratin — and hair sits on a scaffold that anchors it in the scalp. Collagen peptides, L-cysteine, and silica supply the raw materials from within; Acetyl Tetrapeptide-3 supports the proteins that anchor hair at the scalp.

Follicle & papilla signaling

Every hair moves through growth, rest, and shed phases, driven by signals at the follicle and its dermal papilla. Vitamin D, zinc, and pumpkin seed extract support those pathways from within; Copper Tripeptide-1 (GHK-Cu) supports dermal papilla function at the scalp.

Scalp environment

Low-grade inflammation, an imbalanced microbiome, and sluggish circulation at the scalp quietly drive thinning. Rosemary leaf extract, Bacillus and Saccharomyces ferments, and caffeine support a calmer, balanced, well-supplied scalp so follicles can function.

Hear from the formulator

Dr. Barron on why she built this gummy

Dr. Renanit Barron, MD
Board-Certified Endocrinologist · Co-founder, DR BARRON
100k+Patient visits
2003Practice established
20+Years of practice
The Routine

What’s included

From within · The Gummy
Hair, Skin & Nails Gummies

11 actives at researched doses — biotin, collagen peptides, and the cofactors hair growth depends on — to support fuller, stronger hair, skin, and nails from the inside.

At the scalp · The Serum
Hair Serum

A dual-peptide leave-on topical that works where hair actually grows — GHK-Cu and Acetyl Tetrapeptide-3 plus caffeine and rosemary — to support the follicle directly.

One routine covers both directions. 17 actives, one subscription, one quarterly shipment.

What’s Inside

17 actives. Two directions. One routine.

Every active at the level the research actually used — 11 from within, 6 at the scalp. Tap any active to explore it.

From within
Collagen Peptides
Hydrolyzed Collagen Peptides 350 MG
Bovine source · bioactive peptides

Provides amino acids — especially glycine, proline, and hydroxyproline — that your body uses to build collagen, the structural scaffold in skin dermis, hair follicles, and nail matrices.*

Collagen peptides have been studied in randomized trials for their role in supporting skin elasticity, hair density, and nail growth as part of consistent daily intake.
From within
MSM
MSM 50 MG
Methylsulfonylmethane · bioavailable sulfur

An organic sulfur compound your body uses to cross-link collagen and form the disulfide bonds in keratin — the structural framework of hair and nails.*

Clinically studied at 1–3g/day for hair and skin condition over 12 weeks or longer. Dose-dependent effects documented in randomized supplementation studies.
From within
Bamboo Silica
Bamboo Silica 15 MG
Bambusa arundinacea extract · bioavailable silicon

Silicon cross-links collagen fibers and supports the mineralization of hair and nail matrices. Bamboo is one of the most bioavailable natural sources of silica your body can absorb.*

Silicon supplementation has been studied in randomized trials for hair strand thickness, tensile strength, and nail resilience — commonly in combination with other nutrients.
From within
Pumpkin Seed Extract
Pumpkin Seed Extract 50 MG
Cucurbita pepo · standardized phytosterols

Contains plant compounds, including phytosterols and lignans, studied for supporting 5-alpha reductase modulation — the enzyme pathway that converts testosterone to DHT, a hormone linked to pattern hair changes.*

Pumpkin seed has been studied in a 24-week randomized trial for its effect on hair count in men with pattern hair changes.
From within
L-Cysteine
L-Cysteine 10 MG
Sulfur-containing amino acid

An amino acid your body uses to form the disulfide bonds in keratin — the chemical links that give hair its tensile strength. Roughly 10–15% of keratin is composed of cysteine residues.*

Clinically tested at 500–1,000mg/day in combination with keratin hydrolysate. Studies show improvements in hair density and tensile strength in cases of telogen effluvium over 8–12 weeks.
From within
Biotin
Biotin 10,000 MCG
Vitamin B7 · keratin synthesis cofactor

An essential cofactor your body uses in keratin synthesis — the structural protein in hair and nails. Biotin supports normal hair, skin, and nail formation when daily intake is adequate.*

Included to ensure adequate daily intake. Clinical benefit is strongest in cases of biotin insufficiency; daily supplementation supports normal keratin production.
From within
Vitamin C
Vitamin C 30 MG
Ascorbic acid · collagen synthesis cofactor

A required cofactor for the enzymes that cross-link and stabilize collagen. Without adequate vitamin C, your body can't properly assemble the collagen scaffolds that give skin its elasticity and hair follicles their structural support.*

Pairs synergistically with collagen peptides. Combination studies of collagen + vitamin C show greater effects on hair density and skin parameters than collagen alone.
From within
Vitamin D3
Vitamin D3 35 MCG
Cholecalciferol · fat-soluble vitamin

Hair follicles express vitamin D receptors. D3 supports normal follicle cycling between growth and resting phases and helps modulate inflammatory signaling pathways linked to hair shedding.*

Mechanism documented in 2024 research on NLRP3 and HIF-1α pathways. Clinical evidence is strongest in individuals with vitamin D-associated telogen effluvium.
From within
Vitamin E
Vitamin E 6 MG
Tocopherol · fat-soluble antioxidant

A fat-soluble antioxidant that protects the lipid membranes of skin cells and hair follicles from UV and environmental free radical damage. Works synergistically with selenium as part of the body's antioxidant defense system.*

50+ years of dermatological research supports vitamin E's role in photoprotection and protection of follicle cells from oxidative stress.
From within
Zinc
Zinc 5 MG
Essential trace mineral · 300+ enzyme cofactor

Your body uses approximately 20mg of zinc daily to maintain hair follicle cycling. Zinc supports keratin synthesis, follicle stem cell signaling, and the antioxidant enzymes that protect dermal papilla cells.*

Cross-sectional research links zinc status to hair density. Daily replenishment supports normal follicle function and immune tolerance at the hair follicle.
From within
Selenium
Selenium 25 MCG
Trace mineral · selenoprotein precursor

Incorporated into glutathione peroxidase — your scalp's master antioxidant enzyme that protects hair follicle stem cells from oxidative damage. Also supports thyroid hormone conversion, which regulates hair growth cycles.*

Dosed within the narrow therapeutic window (RDA 55µg, UL 400µg). Adequate intake supports selenoprotein synthesis and indirect thyroid-mediated hair cycling.
At the scalp
Copper Tripeptide-1
Copper Tripeptide-1 (GHK-Cu)
Bioactive copper peptide · dermal papilla activator

Activates dermal papilla cells — the cells that control hair growth — through growth factor signaling pathways. Stimulates fibroblast proliferation and supports VEGF production for blood supply to the follicle.*

Studied in clinical research for follicle activation, growth phase induction, and dermal sheath collagen support. Topical bioavailability lets copper accumulate directly where hair grows.
At the scalp
Acetyl Tetrapeptide-3
Acetyl Tetrapeptide-3
Synthetic peptide · follicle anchoring

Engineered peptide that supports the proteins anchoring hair to the dermal sheath. Increases Type III collagen and laminin expression in cultured follicle cells, strengthening the foundation that holds hair in place.*

24-week clinical research demonstrates acetyl tetrapeptide-3 supports type III collagen and laminin synthesis in the dermal sheath — the structural proteins that anchor hair more securely in the follicle.
At the scalp
Rosemary Leaf Extract
Rosemary Leaf Extract
Rosmarinus officinalis · carnosic acid standardized

Carnosic acid activates TRPA1 receptors on scalp sensory neurons, triggering tissue regeneration signaling. Provides antioxidant defense to follicles and supports a balanced scalp microenvironment.*

Mechanistic research identifies rosemary’s carnosic acid as a natural 5α-reductase inhibitor and antioxidant at the follicle, supporting hair density while reducing scalp irritation.
At the scalp
Caffeine
Caffeine
Methylxanthine · follicle metabolic activator

Blocks adenosine receptors in follicle cells, raising cellular energy (cAMP) and IGF-1 expression. Counteracts DHT-induced growth suppression. Penetrates the follicle in roughly 20 minutes and accumulates at 10x the concentration of surrounding skin.*

Pharmacokinetic studies show topical caffeine penetrates the scalp within minutes, where it inhibits phosphodiesterase and extends the anagen (growth) phase of the hair cycle.
At the scalp
Bacillus Ferment
Bacillus Ferment
Fermentation-derived postbiotic · dermal papilla support

Fermentation by beneficial bacteria yields bioactive peptides (including AC2) that activate Akt/ERK/GSK-3β signaling in dermal papilla cells. The AC2 peptide has been shown to rescue follicle cells stressed by DHT exposure.*

Postbiotic research shows fermentation-derived peptides activate growth-signaling pathways (Akt/ERK) in dermal papilla cells and protect follicles from DHT-driven stress.
At the scalp
Saccharomyces Ferment
Saccharomyces Ferment Filtrate
Postbiotic · scalp microbiome balancer

A postbiotic (fermentation byproduct, not live bacteria) that supports the scalp's resident beneficial flora and barrier function. Delivers peptides and polysaccharides that hydrate and protect the scalp microenvironment.*

28-day clinical study showed significant increases in beneficial scalp bacteria and reduction in inflammatory organisms, with 100% of participants reporting symptom relief from sensitive scalp.
Dr. Renanit E. Barron, MD

When patients come to me with thinning hair, the conversation almost always leads back to their hormones — thyroid, cortisol, estrogen, and the nutrients those systems depend on. So I built the gummy I’d hand to my own patients.

Dr. Renanit Barron, MD
Board-Certified Endocrinologist
University of Miami School of Medicine · Co-founder, DR BARRON
100k+Patient visits
2003Practice established
20+Years of practice

The smarter way to invest in your hair.

One routine replaces a shelf of single-ingredient supplements and topicals — at a fraction of the monthly cost.

What it replaces
DR BARRON
Cost per month
Bovine collagen peptides
$35
High-dose biotin
$14
Multivitamin
$24
Vitamin D3
$12
Zinc
$10
Vitamin C
$10
MSM
$18
Pumpkin seed extract
$20
Vitamin E
$10
L-Cysteine
$18
Selenium
$10
Peptide scalp serum
$45
Total per month
$63
$226

Prices based on average retail cost of individually branded supplements and topicals at comparable doses (Amazon, iHerb, brand direct — 2026). Items commonly stacked in hair-care routines, not direct mechanistic equivalents. The Complete System price reflects the Quarterly (90-day) subscription rate.

Clinical Comparison

The New Gold Standard

See how DR BARRON compares on clinical dosing and ingredient transparency — every active, every dose, side by side.

Active
DR BARRON DR BARRON
Leading hair gummy
Biotin
10,000 mcg+250% More
2,800 mcg
Zinc
5 mg+65% More
3 mg
Vitamin C
30 mg+25% More
24 mg
Vitamin D
35 mcg+25% More
28 mcg
Collagen peptides
350 mg
Rarely included
Selenium
25 mcg
Rarely included
Bamboo silica
15 mg
Not included
MSM
50 mg
Not included
Pumpkin seed extract
50 mg
Not included
L-Cysteine
10 mg
Not included
Vitamin E
6 mg
Usually included

What to expect over time

Your routine works in two directions at once — from within and at the scalp. Hair follows its natural cycle, so changes compound over months.

1 MONTH
Both directions get to work
From within, the gummy's actives absorb and begin working at the cellular level; at the scalp, the serum's peptides and botanicals accumulate with daily use. You may not notice visible changes yet — consistency is what matters now.
2–3 MONTHS
First signs, from root to nail
Nails often respond first — you may notice changes in texture or strength. At the scalp, hair can begin to feel stronger at the root as the scalp environment stabilizes.
3+ MONTHS
Changes compound across both
Across a full follicle cycle, you may notice the appearance of fuller, healthier-looking hair, along with changes in skin and nails, as both directions compound over successive cycles.

Your daily two-step routine

Woman taking DR BARRON Hair, Skin & Nails Gummies in her kitchen
Step 1 · From within

Take two gummies each morning. Biotin, collagen peptides, and 9 more actives support hair, skin & nails from the inside.

Man applying DR BARRON Hair Serum to his scalp
Step 2 · At the scalp

Apply the serum to your scalp and part line daily. The dual-peptide complex works where hair actually grows.

From the people testing it

What patients and testers are saying

★★★★★ 4.9
★★★★★ Rachel R.
Transparency you can actually see.

Most gummies hide behind proprietary blends or sprinkle in a few trendy ingredients. I liked that every ingredient and dose is clearly listed, and the formula actually feels intentional instead of packed with random extras.

Verified Google Review
★★★★★ Suki S.
Finally replaced my whole supplement shelf.

I was tired of juggling powders, capsules, and drinks every morning. These made everything way simpler, and they’re honestly the first wellness gummies I’ve stayed consistent with.

Verified Google Review
★★★★★ Joey E.
Way better than I expected them to taste.

Usually gummies with this many ingredients taste overly sweet or artificial, but these actually taste clean. They’ve become part of my daily routine without even thinking about it.

Verified Google Review
★★★★★ Jacob E.
The convenience is what hooked me.

I travel a lot and wanted something easy to throw in my bag without dealing with shaker bottles or powders. These made staying consistent ridiculously easy.

Verified Google Review
★★★★★ Michelle L.
They actually feel premium.

A lot of wellness gummies feel gimmicky or candy-like. These don’t. The ingredients feel thoughtfully chosen, the taste is great, and the whole experience feels much higher quality.

Verified Google Review
Our Promise
Risk-Free
Feel it, or get your money back.
90DAY
Money-Back Guarantee
Three full months to feel the difference on the Quarterly plan. If the formula isn't right for you, contact our team for a full refund — opened or unopened.
90-Day Guarantee (Quarterly) 30-Day Guarantee (Monthly) Free Shipping Cancel Anytime No Return Required
The Complete System — gummy and serum

FAQs

How long before I see results?+
Hair, skin, and nail support takes time because it follows your body's natural growth cycles. Most users notice changes in nail texture or strength within 2–3 months. Visible changes in hair density typically take 3–6 months of consistent daily use, since hair follicles cycle over months, not weeks. Give the formula at least 3 months before judging results.
Will this work for my type of thinning?+
DR BARRON is designed for thinning hair from common, non-genetic causes — stress, postpartum changes, perimenopause and menopause, hormonal shifts, post-illness recovery, and age-related thinning. It is not designed for genetic hair loss (androgenic alopecia / male- or female-pattern), alopecia areata, or thinning caused by underlying medical conditions. If your thinning runs in your family or you've experienced rapid or patchy loss, we recommend seeing a board-certified dermatologist.
What's the difference between the gummies and the serum?+
The Gummies work from the inside — providing nutrients your body uses to support hair, skin, and nail health (biotin, collagen peptides, zinc, selenium, vitamin D, and more). The Serum works at the surface — a topical formula with copper peptides, rosemary leaf extract, and caffeine, designed to support scalp health and follicle activity. Designed to work together, but each can be used on its own.
How does the subscription work?+
Two subscription options: a Quarterly plan ships every 90 days (save 30%) and a Monthly plan ships every 30 days (save 20%). Pause, skip, or cancel anytime from your account — no fees, no obligation.
What is your money-back guarantee?+
The Quarterly subscription is backed by a 90-day money-back guarantee. The Monthly subscription and one-time purchases are backed by a 30-day money-back guarantee. Either way, contact our team for a full refund — no return required on opened bottles.
Can I take this with other supplements or medications?+
The formula uses food-grade vitamins, minerals, and standard botanicals at doses within established daily intake ranges. It's designed to be compatible with most supplement routines. If you take prescription medications, are pregnant or nursing, or have a thyroid or hormonal condition, check with your physician before starting any new supplement, including this one.

Have questions? We're here for you.

Questions about your formula, your subscription, or anything in between? Our team responds within 1-2 business days.

The Complete System
The Complete System
Physician-formulated · Research-backed
90-Day Supply (Save 30%)
$2.10 USD / day
90-Day Supply (Save 30%)
$189 every 12 weeks · cancel anytime
$2.10 / day
30-Day Supply (Save 20%)
$76 every 4 weeks · cancel anytime
$2.53 / day
One Time Purchase
No subscription · one-time
$3.17 / day
SAVE 30%Free Shipping on All Subscriptions
DR BARRON Hair, Skin & Nails Gummies — Physician-Formulated. Research Backed.
Hero — Physician-Formulated. Research Backed.
Dr. Renanit Barron, MD — Physician quote
11 Research-Backed Ingredients
Supplement Facts Panel
What to Expect — Monthly Timeline
Supports Hair, Skin & Nails
Real Science, Real Results
Verified customer review and 90-day guarantee
★★★★★ 4.9
Formulated by Board-Certified Endocrinologist · 25+ yrs exp.
Physician-Formulated · Research-Backed

The Complete System

A daily gummy combining 11 selected ingredients chosen to support the appearance of fuller, stronger, healthier-looking hair, skin, and nails. Physician-formulated for consistent at-home use.

  • 17 research-backed actives
  • Within + at the scalp
  • Drug-free, no prescription
  • 90-day money-back guarantee
Best Value
90-Day Supply Save 30%
$63 $95 /mo
$189 USD every 12 weeks $2.10 USD / DAY
  • Free: Dr. Barron's 90-Day Hair Reset Protocol
  • 90-Day Money-Back Guarantee
  • Built for one full hair cycle — follicles take ~90 days to show changes
  • Maximum savings — lowest price per day
  • Cancel or pause anytime
  • Free shipping on every order
30-Day Supply Save 20%
$76 $95 /mo
$76 USD every 4 weeks $2.53 USD / DAY
  • Free: The 30-Day Kickstart guide
  • 30-Day Money-Back Guarantee
  • Save 20% — great value per serving
  • Cancel or pause anytime
  • Free shipping on every order
Created by a board-certified endocrinologist — 20+ years of practice treating hair, skin, and hormonal health, now formulated for at-home daily support.
100k+Patient visits
2003Practice established
20+Years of practice
View Dr. Barron’s credentials →
90-Day
Money Back
Free
Shipping
Cancel
Anytime

Benefits

  • Supports the appearance of stronger, fuller hair as part of consistent daily use
  • Supports skin and nail health through targeted delivery of bioavailable vitamins and minerals
  • Provides essential amino acids involved in keratin synthesis and follicle health
Full ingredient list +
Per 2-gummy serving:
  • Vitamin C (as Ascorbic Acid) — 30mg · 33% DV
  • Vitamin D (as Cholecalciferol) — 35mcg / 1,400 IU · 175% DV
  • Vitamin E (as d-Alpha Tocopherol) — 6mg · 40% DV
  • Biotin — 10,000mcg · 33,333% DV
  • Zinc (as Amino Acid Chelate) — 5mg · 45% DV
  • Selenium (as L-Selenomethionine) — 25mcg · 45% DV
  • Collagen Peptides (Bovine) — 350mg
  • MSM (Methylsulfonylmethane) — 50mg
  • Pumpkin Seed Extract (Cucurbita pepo) — 50mg
  • Bamboo Extract (providing Silica) — 15mg
  • L-Cysteine HCl — 10mg
Other ingredients: Organic cane sugar, organic tapioca syrup, purified water, pectin, citric acid, sodium citrate, natural flavors and colors from fruits or vegetables.
How to use +
Take 2 gummies daily, with or without food. Like any supplement, the formula is intended for long-term daily use as part of a consistent routine — individual responses to supplementation vary.
Allergens & dietary +
Contains: Bovine collagen peptides.
Free from: Gluten, dairy, soy, eggs, tree nuts, peanuts, shellfish, fish, artificial colors, artificial flavors, high-fructose corn syrup.
Not vegan (contains bovine collagen peptides). Not recommended during pregnancy or breastfeeding without consulting your physician. Discuss with your doctor before use if you have a thyroid condition or take prescription medication.
Storage & shelf life +
Store in a cool, dry place away from direct sunlight. Reseal after each use. Shelf life is 18 months from manufacture date; best-by date is printed on the bottom of the bottle.
Shipping & returns +
Free shipping on all subscriptions. One-time orders ship at standard rates. Subscriptions deliver every 30 days — pause, skip, or cancel anytime from your account. Backed by a 90-day money-back guarantee on opened or unopened bottles. Contact our team for refund instructions; no return shipping required.
Complete your routineSAVE 30%
The Complete System
The Complete System
Hair, Skin & Nails Gummies support hair, skin, and nail health from within. The Hair Serum targets the scalp environment topically.
$63 $95

Built to a standard most supplements don't hold themselves to

Physician-
formulated
11 research-backed
ingredients
Selected for
bioavailability
cGMP-certified
facility
Drug-free
No prescription
required
Behind the formula
Dr. Renanit E. Barron, MD
Dr. Renanit Barron, MD
Board-Certified Endocrinologist · Co-Founder

“I’ve spent my career treating the hormonal systems behind hair density — thyroid, cortisol, estrogen, testosterone. After years of seeing thinning hair as a downstream symptom of hormones that were off, I formulated the gummy I wanted to give my own patients.”

100k+Patient visits
2003Practice established
20+Years of practice
Specialty
Endocrinology
Focus
Hormonal drivers
Educated & Trained
University of Miami School of Medicine
University of Florida College of Medicine
Why this formula exists

The numbers behind hair, skin & nail change

0%

Of U.S. adults don't get enough essential vitamins and minerals from food alone — the same nutrients your hair, skin, and nails are built from.

0%

Of adults notice visible changes in hair density, skin texture, or nail strength by their late 30s.

1 in 3

Adults notice early signs of hair thinning by their mid-30s — earlier than most expect.

Figures drawn from CDC NHANES dietary intake data, American Academy of Dermatology, and American Hair Loss Association.
Why thinning has more than one cause

Six root causes, across both directions

Hair thinning rarely traces to one thing. It comes from within and at the scalp at once — the Complete System was built around the six that matter most, in both directions.

Hormones

Estrogen, thyroid, and cortisol shift across your life — and your follicles feel every change. The gummy supports the nutrient pathways those hormones rely on, from within.

Nutrient gaps

Biotin, zinc, vitamin D, and selenium help build new hair, skin, and nail cells every day, and modern diets often miss the mark. The gummy supplies the cofactors your body runs on.

Oxidative stress

Free radicals from UV, pollution, and stress damage cells — from within and at the scalp. Vitamin C, vitamin E, and selenium support antioxidant defense systemically, while rosemary extract supports it at the scalp surface.

Structure & anchoring

Hair, skin, and nails are built from collagen and keratin — and hair sits on a scaffold that anchors it in the scalp. Collagen peptides, L-cysteine, and silica supply the raw materials from within; Acetyl Tetrapeptide-3 supports the proteins that anchor hair at the scalp.

Follicle & papilla signaling

Every hair moves through growth, rest, and shed phases, driven by signals at the follicle and its dermal papilla. Vitamin D, zinc, and pumpkin seed extract support those pathways from within; Copper Tripeptide-1 (GHK-Cu) supports dermal papilla function at the scalp.

Scalp environment

Low-grade inflammation, an imbalanced microbiome, and sluggish circulation at the scalp quietly drive thinning. Rosemary leaf extract, Bacillus and Saccharomyces ferments, and caffeine support a calmer, balanced, well-supplied scalp so follicles can function.

1 / 6
Hear from the formulator

Dr. Barron on why she built this gummy

Dr. Renanit Barron, MD
Board-Certified Endocrinologist · Co-founder, DR BARRON
100k+Patient visits
2003Practice established
20+Years of practice
The Routine

What’s included

From within · The Gummy
Hair, Skin & Nails Gummies

11 actives at researched doses — biotin, collagen peptides, and the cofactors hair growth depends on — to support fuller, stronger hair, skin, and nails from the inside.

At the scalp · The Serum
Hair Serum

A dual-peptide leave-on topical that works where hair actually grows — GHK-Cu and Acetyl Tetrapeptide-3 plus caffeine and rosemary — to support the follicle directly.

One routine covers both directions. 17 actives, one subscription, one quarterly shipment.

What’s Inside

17 actives. Two directions. One routine.

Every active at the level the research actually used — 11 from within, 6 at the scalp. Tap any active to explore it.

From within
Collagen Peptides
Hydrolyzed Collagen Peptides 350 MG
Bovine source · bioactive peptides

Provides amino acids — especially glycine, proline, and hydroxyproline — that your body uses to build collagen, the structural scaffold in skin dermis, hair follicles, and nail matrices.*

Collagen peptides have been studied in randomized trials for their role in supporting skin elasticity, hair density, and nail growth as part of consistent daily intake.
From within
MSM
MSM 50 MG
Methylsulfonylmethane · bioavailable sulfur

An organic sulfur compound your body uses to cross-link collagen and form the disulfide bonds in keratin — the structural framework of hair and nails.*

Clinically studied at 1–3g/day for hair and skin condition over 12 weeks or longer. Dose-dependent effects documented in randomized supplementation studies.
From within
Bamboo Silica
Bamboo Silica 15 MG
Bambusa arundinacea extract · bioavailable silicon

Silicon cross-links collagen fibers and supports the mineralization of hair and nail matrices. Bamboo is one of the most bioavailable natural sources of silica your body can absorb.*

Silicon supplementation has been studied in randomized trials for hair strand thickness, tensile strength, and nail resilience — commonly in combination with other nutrients.
From within
Pumpkin Seed Extract
Pumpkin Seed Extract 50 MG
Cucurbita pepo · standardized phytosterols

Contains plant compounds, including phytosterols and lignans, studied for supporting 5-alpha reductase modulation — the enzyme pathway that converts testosterone to DHT, a hormone linked to pattern hair changes.*

Pumpkin seed has been studied in a 24-week randomized trial for its effect on hair count in men with pattern hair changes.
From within
L-Cysteine
L-Cysteine 10 MG
Sulfur-containing amino acid

An amino acid your body uses to form the disulfide bonds in keratin — the chemical links that give hair its tensile strength. Roughly 10–15% of keratin is composed of cysteine residues.*

Clinically tested at 500–1,000mg/day in combination with keratin hydrolysate. Studies show improvements in hair density and tensile strength in cases of telogen effluvium over 8–12 weeks.
From within
Biotin
Biotin 10,000 MCG
Vitamin B7 · keratin synthesis cofactor

An essential cofactor your body uses in keratin synthesis — the structural protein in hair and nails. Biotin supports normal hair, skin, and nail formation when daily intake is adequate.*

Included to ensure adequate daily intake. Clinical benefit is strongest in cases of biotin insufficiency; daily supplementation supports normal keratin production.
From within
Vitamin C
Vitamin C 30 MG
Ascorbic acid · collagen synthesis cofactor

A required cofactor for the enzymes that cross-link and stabilize collagen. Without adequate vitamin C, your body can't properly assemble the collagen scaffolds that give skin its elasticity and hair follicles their structural support.*

Pairs synergistically with collagen peptides. Combination studies of collagen + vitamin C show greater effects on hair density and skin parameters than collagen alone.
From within
Vitamin D3
Vitamin D3 35 MCG
Cholecalciferol · fat-soluble vitamin

Hair follicles express vitamin D receptors. D3 supports normal follicle cycling between growth and resting phases and helps modulate inflammatory signaling pathways linked to hair shedding.*

Mechanism documented in 2024 research on NLRP3 and HIF-1α pathways. Clinical evidence is strongest in individuals with vitamin D-associated telogen effluvium.
From within
Vitamin E
Vitamin E 6 MG
Tocopherol · fat-soluble antioxidant

A fat-soluble antioxidant that protects the lipid membranes of skin cells and hair follicles from UV and environmental free radical damage. Works synergistically with selenium as part of the body's antioxidant defense system.*

50+ years of dermatological research supports vitamin E's role in photoprotection and protection of follicle cells from oxidative stress.
From within
Zinc
Zinc 5 MG
Essential trace mineral · 300+ enzyme cofactor

Your body uses approximately 20mg of zinc daily to maintain hair follicle cycling. Zinc supports keratin synthesis, follicle stem cell signaling, and the antioxidant enzymes that protect dermal papilla cells.*

Cross-sectional research links zinc status to hair density. Daily replenishment supports normal follicle function and immune tolerance at the hair follicle.
From within
Selenium
Selenium 25 MCG
Trace mineral · selenoprotein precursor

Incorporated into glutathione peroxidase — your scalp's master antioxidant enzyme that protects hair follicle stem cells from oxidative damage. Also supports thyroid hormone conversion, which regulates hair growth cycles.*

Dosed within the narrow therapeutic window (RDA 55µg, UL 400µg). Adequate intake supports selenoprotein synthesis and indirect thyroid-mediated hair cycling.
At the scalp
Copper Tripeptide-1
Copper Tripeptide-1 (GHK-Cu)
Bioactive copper peptide · dermal papilla activator

Activates dermal papilla cells — the cells that control hair growth — through growth factor signaling pathways. Stimulates fibroblast proliferation and supports VEGF production for blood supply to the follicle.*

Studied in clinical research for follicle activation, growth phase induction, and dermal sheath collagen support. Topical bioavailability lets copper accumulate directly where hair grows.
At the scalp
Acetyl Tetrapeptide-3
Acetyl Tetrapeptide-3
Synthetic peptide · follicle anchoring

Engineered peptide that supports the proteins anchoring hair to the dermal sheath. Increases Type III collagen and laminin expression in cultured follicle cells, strengthening the foundation that holds hair in place.*

24-week clinical research demonstrates acetyl tetrapeptide-3 supports type III collagen and laminin synthesis in the dermal sheath — the structural proteins that anchor hair more securely in the follicle.
At the scalp
Rosemary Leaf Extract
Rosemary Leaf Extract
Rosmarinus officinalis · carnosic acid standardized

Carnosic acid activates TRPA1 receptors on scalp sensory neurons, triggering tissue regeneration signaling. Provides antioxidant defense to follicles and supports a balanced scalp microenvironment.*

Mechanistic research identifies rosemary’s carnosic acid as a natural 5α-reductase inhibitor and antioxidant at the follicle, supporting hair density while reducing scalp irritation.
At the scalp
Caffeine
Caffeine
Methylxanthine · follicle metabolic activator

Blocks adenosine receptors in follicle cells, raising cellular energy (cAMP) and IGF-1 expression. Counteracts DHT-induced growth suppression. Penetrates the follicle in roughly 20 minutes and accumulates at 10x the concentration of surrounding skin.*

Pharmacokinetic studies show topical caffeine penetrates the scalp within minutes, where it inhibits phosphodiesterase and extends the anagen (growth) phase of the hair cycle.
At the scalp
Bacillus Ferment
Bacillus Ferment
Fermentation-derived postbiotic · dermal papilla support

Fermentation by beneficial bacteria yields bioactive peptides (including AC2) that activate Akt/ERK/GSK-3β signaling in dermal papilla cells. The AC2 peptide has been shown to rescue follicle cells stressed by DHT exposure.*

Postbiotic research shows fermentation-derived peptides activate growth-signaling pathways (Akt/ERK) in dermal papilla cells and protect follicles from DHT-driven stress.
At the scalp
Saccharomyces Ferment
Saccharomyces Ferment Filtrate
Postbiotic · scalp microbiome balancer

A postbiotic (fermentation byproduct, not live bacteria) that supports the scalp's resident beneficial flora and barrier function. Delivers peptides and polysaccharides that hydrate and protect the scalp microenvironment.*

28-day clinical study showed significant increases in beneficial scalp bacteria and reduction in inflammatory organisms, with 100% of participants reporting symptom relief from sensitive scalp.
Dr. Renanit E. Barron, MD

When patients come to me with thinning hair, the conversation almost always leads back to their hormones — thyroid, cortisol, estrogen, and the nutrients those systems depend on. So I built the gummy I'd hand to my own patients. Eleven actives my team selected for hair, skin, and nail support — including a bamboo silica and biotin combination studied in a 2025 randomized trial for hair shedding and nail health.

Dr. Renanit Barron, MD
Board-Certified Endocrinologist
University of Miami School of Medicine · Co-founder, DR BARRON
100k+Patient visits
2003Practice established
20+Years of practice

The smarter way to invest in your hair.

One routine replaces a shelf of single-ingredient supplements and topicals — at a fraction of the monthly cost.

What it replaces
DR BARRON
Cost per month
Bovine collagen peptides
$35
High-dose biotin
$14
Multivitamin
$24
Vitamin D3
$12
Zinc
$10
Vitamin C
$10
MSM
$18
Pumpkin seed extract
$20
Vitamin E
$10
L-Cysteine
$18
Selenium
$10
Peptide scalp serum
$45
Total per month
$63
$226

Prices based on average retail cost of individually branded supplements and topicals at comparable doses (Amazon, iHerb, brand direct — 2026). Items commonly stacked in hair-care routines, not direct mechanistic equivalents. The Complete System price reflects the Quarterly (90-day) subscription rate.

Clinical Comparison

The New Gold Standard

See how DR BARRON compares on clinical dosing and ingredient transparency — every active, every dose, side by side.

Active
DR BARRON DR BARRON
Leading hair gummy
Biotin
10,000 mcg+250% More
2,800 mcg
Zinc
5 mg+65% More
3 mg
Vitamin C
30 mg+25% More
24 mg
Vitamin D
35 mcg+25% More
28 mcg
Collagen peptides
350 mg
Rarely included
Selenium
25 mcg
Rarely included
Bamboo silica
15 mg
Not included
MSM
50 mg
Not included
Pumpkin seed extract
50 mg
Not included
L-Cysteine
10 mg
Not included
Vitamin E
6 mg
Usually included

What to expect over time

Your routine works in two directions at once — from within and at the scalp. Hair follows its natural cycle, so changes compound over months.

1 MONTH
Both directions get to work
From within, the gummy's actives absorb and begin working at the cellular level; at the scalp, the serum's peptides and botanicals accumulate with daily use. You may not notice visible changes yet — consistency is what matters now.
2–3 MONTHS
First signs, from root to nail
Nails often respond first — you may notice changes in texture or strength. At the scalp, hair can begin to feel stronger at the root as the scalp environment stabilizes.
3+ MONTHS
Changes compound across both
Across a full follicle cycle, you may notice the appearance of fuller, healthier-looking hair, along with changes in skin and nails, as both directions compound over successive cycles.

Your daily two-step routine

Woman taking DR BARRON Hair, Skin & Nails Gummies in her kitchen
Step 1 · From within

Take two gummies each morning. Biotin, collagen peptides, and 9 more actives support hair, skin & nails from the inside.

Man applying DR BARRON Hair Serum to his scalp
Step 2 · At the scalp

Apply the serum to your scalp and part line daily. The dual-peptide complex works where hair actually grows.

From the people testing it

What patients and testers are saying

★★★★★ 4.9
★★★★★ Rachel R.
Transparency you can actually see.

Most gummies hide behind proprietary blends or sprinkle in a few trendy ingredients. I liked that every ingredient and dose is clearly listed, and the formula actually feels intentional instead of packed with random extras.

Verified Google Review
★★★★★ Suki S.
Finally replaced my whole supplement shelf.

I was tired of juggling powders, capsules, and drinks every morning. These made everything way simpler, and they’re honestly the first wellness gummies I’ve stayed consistent with.

Verified Google Review
★★★★★ Joey E.
Way better than I expected them to taste.

Usually gummies with this many ingredients taste overly sweet or artificial, but these actually taste clean. They’ve become part of my daily routine without even thinking about it.

Verified Google Review
★★★★★ Jacob E.
The convenience is what hooked me.

I travel a lot and wanted something easy to throw in my bag without dealing with shaker bottles or powders. These made staying consistent ridiculously easy.

Verified Google Review
★★★★★ Michelle L.
They actually feel premium.

A lot of wellness gummies feel gimmicky or candy-like. These don’t. The ingredients feel thoughtfully chosen, the taste is great, and the whole experience feels much higher quality.

Verified Google Review
Our Promise
Risk-Free
Feel it, or get your money back.
90DAY
Money-Back Guarantee
Three full months to feel the difference on the Quarterly plan. If the formula isn't right for you, contact our team for a full refund — opened or unopened.
90-Day Guarantee (Quarterly) 30-Day Guarantee (Monthly) Free Shipping Cancel Anytime No Return Required
The Complete System — gummy and serum

FAQs

How long before I see results?+
Hair, skin, and nail support takes time because it follows your body's natural growth cycles. Most users notice changes in nail texture or strength within 2–3 months. Visible changes in hair density typically take 3–6 months of consistent daily use, since hair follicles cycle over months, not weeks. Give the formula at least 3 months before judging results.
Will this work for my type of thinning?+
DR BARRON is designed for thinning hair from common, non-genetic causes — stress, postpartum changes, perimenopause and menopause, hormonal shifts, post-illness recovery, and age-related thinning. It is not designed for genetic hair loss (androgenic alopecia / male- or female-pattern), alopecia areata, or thinning caused by underlying medical conditions. If your thinning runs in your family or you've experienced rapid or patchy loss, we recommend seeing a board-certified dermatologist.
What's the difference between the gummies and the serum?+
The Gummies work from the inside — providing nutrients your body uses to support hair, skin, and nail health (biotin, collagen peptides, zinc, selenium, vitamin D, and more). The Serum works at the surface — a topical formula with copper peptides, rosemary leaf extract, and caffeine, designed to support scalp health and follicle activity. Designed to work together, but each can be used on its own.
How does the subscription work?+
Two subscription options: a Quarterly plan ships every 90 days (save 30%) and a Monthly plan ships every 30 days (save 20%). Pause, skip, or cancel anytime from your account — no fees, no obligation.
What is your money-back guarantee?+
The Quarterly subscription is backed by a 90-day money-back guarantee. The Monthly subscription and one-time purchases are backed by a 30-day money-back guarantee. Either way, contact our team for a full refund — no return required on opened bottles.
Can I take this with other supplements or medications?+
The formula uses food-grade vitamins, minerals, and standard botanicals at doses within established daily intake ranges. It's designed to be compatible with most supplement routines. If you take prescription medications, are pregnant or nursing, or have a thyroid or hormonal condition, check with your physician before starting any new supplement, including this one.

Have questions? We're here for you.

Questions about your formula, your subscription, or anything in between? Our team responds within 1-2 business days.

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