The Science of Fuller Hair

Original MD HAIR™ · Physician‑Formulated · Since 2008

Physician-Formulated by Dr. Susan Lin, M.D.
Clinically Tested 71% saw visible improvement
Original Since 2008
Drug-Free & hormone-free
FDA-Registered GMP-compliant manufacturer
Made in USA Owned by a U.S. company
Genuine MD HAIR™ & MD Nutri Hair™ are sold only at mdhair.com, md-factor.com & official La Canada Ventures stores on Amazon & Walmart.

What's your hair concern?

Jump straight to your concern — or take the free 60-second quiz for a personalized, physician-formulated routine.

I'm losing hair

Visible shedding, a widening part, or more scalp than before. Start with the most complete multi-pathway routine.

Shop the Restoration Kit

I want fuller-looking hair

Support the look of density and strength from within with the drug-free hero supplement.

Shop MD Nutri Hair™

I want to protect what I have

Catch thinning early and keep your scalp healthy with peptide daily care.

Shop Cleanse & Care

I have a bald spot or receding hairline

Targeted regrowth support for the crown, temples, and hairline — where thinning shows most.

Shop Follicle Energizer

Three roots of thinning — MD HAIR works on all three

Thinning hair rarely has one cause. MD HAIR™ is built to address the three roots at once — the hormonal DHT trigger, the aging follicle, and inflammation at the scalp — with plant-derived and peptide actives instead of drugs.

1. Hormonal — the DHT trigger

1. Hormonal — the DHT trigger

Our lilac-derived hero verbascoside is studied in the lab for its interaction with both Type I and Type II 5-alpha-reductase — the enzyme behind DHT, the hormone most linked to thinning.

Learn more →
2. Aging — the tired follicle

2. Aging — the tired follicle

Biotinoyl Tripeptide-1 works at a biologically active concentration — studied at 10–30× lower than minoxidil requires — to re-energize aging follicles and support the look of hair-shaft diameter.

Learn more →
3. Inflammation — the stressed scalp

3. Inflammation — the stressed scalp

StimuCap® peptides with antioxidants like ergothioneine and glutathione help calm the oxidative stress and inflammation that keep follicles from thriving.

Learn more →

A physician's system, not a single product

Hair loss rarely has one cause — so MD HAIR™ supports an anti-aged scalp, healthy-looking follicles, and internal nourishment together. Every step is drug-free and works with or without minoxidil.

Nourish — from within
MD Nutri Hair supplement

MD Nutri Hair™

Lilac verbascoside, marine collagen & biotin nourish the hair's natural cycle from within, where topicals can't reach.

From $60
Add to Regimen
Energize — target thinning
MD Follicle Energizer scalp serum

MD® Follicle Energizer

Biotinoyl Tripeptide-1 peptide serum for the hairline, crown & part line.

From $60
Add to Regimen
Soothe — anti-age scalp
MD Scalp Essential anti-aging scalp serum

MD® Scalp Essential

Mandelic acid, caffeine & lilac stem cell calm itch and flakes for a healthier-looking scalp.

$60
Add to Regimen
Cleanse — with peptides
MD Revitalizing Treatment Shampoo

MD® Revitalizing Shampoo

Sulfate-free StimuCap® peptide wash for a clean, conditioned scalp foundation.

$60
Add to Regimen
Fortify — reduce breakage
MD Revitalizing Treatment Conditioner

MD® Revitalizing Conditioner

Weightless StimuCap® conditioning with sacha inchi omega-3s — softness without weighing hair down.

$60
Add to Regimen
Restore — natural color
MD Color Restoration drug-free gray hair color foam

MD® Color Restoration

Drug-free, dye-free peptide foam that helps hair rediscover its natural color while looking thicker.

$60
Add to Regimen

Drag to see the difference

Real, physician-formulated, drug-free MD HAIR™ results with consistent use. Use the arrows to see more.

Real people. Measured results.

MD HAIR leads with data, not adjectives. Each figure below is kept with its study on file.

Dr. Susan Lin and the MD HAIR research team reviewing physician-led R&D
Physician-led R&D behind the MD HAIR™ system
MD HAIR formulation and testing in a GMP, FDA-registered laboratory
Formulated & tested in GMP, FDA-registered facilities
95%
saw improved hair appearance
Consumer use study — MD Nutri Hair
90%
reported better manageability
Consumer use study — MD Nutri Hair
75%
reported increased fullness
Consumer use study — MD Nutri Hair
71%
saw improved hair appearance with the topical serums
17-week Spincontrol North America study
See the clinical evidence
Dr. Susan Lin, M.D.

Dr. Susan Lin, M.D.

Physician Founder · La Canada Ventures, Inc.

“In 35 years of medicine, I've learned hair loss is never vanity — it's identity. Every MD HAIR™ formula is my promise to patients: science rigorous enough to trust, gentle enough to live with, and made to give you back the person you've always been.”

Most brands license a doctor's name. Dr. Susan Lin put her own on the label — and has kept it there since 2008. A board-certified physician and the named inventor on the MD® patent portfolio, she has spent nearly two decades formulating every MD® product herself, because trust is something you sign your name to.

  • Board-certified in Obstetrics & Gynecology and Anti-Aging Medicine (A4M)
  • Boston University School of Medicine — accelerated B.A./M.D., NIH Scholarship recipient
  • Named inventor — U.S. Patent No. 8,206,695 & the MD® patent portfolio
Read MD HAIR Story

Shop the System

Our best sellers

Physician-formulated, drug-free hair care — our most-loved products, in order of popularity.

Complete routines, priced to save

Hair loss rarely has one cause. These physician-designed routines address more than one pathway at once — and cost less than buying each product separately.

Easiest Entry
MD Nutri Hair™

MD Nutri Hair™

  • Drug-free daily supplement
  • Lilac verbascoside, marine collagen & biotin
  • One easy capsule a day
$60 Easiest way to start
Shop MD Nutri Hair™
Best for mild thinning — or anyone who simply wants to maintain the hair they have.
Easy Entry
Daily Wash Duo

Daily Wash Duo

  • MD® Revitalizing Shampoo
  • MD® Revitalizing Conditioner
$120 $110 Save $10
Shop the Duo
StimuCap® peptide wash system — the drug-free foundation.
Advanced Protocol
Hair Restoration System

Hair Restoration System

  • MD® Follicle Activator (AM)
  • MD® Follicle Energizer (PM)
$260 $240 Save $20 · 3-month supply
Shop the System
The concentrated 2-step peptide protocol for visible thinning.
MD HAIR™ Restoration Kit
The Complete System

MD HAIR™ Restoration Kit

The full drug-free MD HAIR™ system in one routine

  • Three pathways, one kit — Scalp Essential + Follicle Energizer + Nutri Hair — scalp, follicle, and internal nutrition together.
  • Lilac verbascoside — Features lilac verbascoside, studied for the DHT pathway (Type I + II) associated with thinning — drug-free.
  • Peptides where it shows — Biotinoyl Tripeptide-1 conditions the hairline, crown, and part line.
  • Save vs. buying separately — The complete routine at $180 — $50 less than the products on their own.
Who it’s for
  • Thinning, shedding, or a widening part
  • Postpartum, menopausal, or Ozempic-related shedding
  • Anyone who wants the most complete drug-free routine
Key ingredients

Mandelic acid, caffeine, lilac stem cell, Biotinoyl Tripeptide-1, verbascoside, marine collagen, biotin

$180.00 · 3-step system
Woman with fuller, healthier-looking hair — MD HAIR™ drug-free, physician-formulated hair and scalp system by Dr. Susan Lin, M.D.

Not sure where to start?

Take our free 60-second hair quiz and get a physician-formulated, drug-free routine matched to your concern.

MD HAIR™

The original, physician-founded MD® hair and scalp care line.

About MD HAIR™

MD HAIR™ and MD Nutri Hair™ are part of the MD® family of products developed by Susan F. Lin, MD, and offered by La Canada Ventures, Inc. Dr. Lin has developed physician-formulated hair, scalp, and wellness products under the MD® name for nearly two decades.

  • Physician-founded and physician-formulated by Dr. Susan Lin, M.D.
  • Part of the MD® family — the original since 2008
  • Drug-free — use on its own or alongside minoxidil or finasteride

Buying the authentic MD HAIR™

You've found the real thing. Genuine MD HAIR™ and MD Nutri Hair™ products are sold only through this website (mdhair.com), our companion site md-factor.com, and the official La Canada Ventures stores on Amazon, Walmart, and eBay. Products offered by any other seller under the MD HAIR or MD name are not ours and are not authorized by us.

  • Official channels: mdhair.com · md-factor.com
  • Official La Canada Ventures stores: Amazon · Walmart · eBay
  • Explore the full MD® family — including MD Lash Factor® — at md-factor.com

Frequently Asked Questions

The honest answers on drug-free hair care, minoxidil compatibility, and authenticity.

Yes. Every MD HAIR™ product is drug-free and hormone-free — no minoxidil, no finasteride, no steroids. The formulas work through peptides, plant-derived DHT modulators like verbascoside, and botanicals.

Yes. MD HAIR™ is designed to work with or without either drug — there is no ingredient overlap, so you can layer it on top of a drug-based routine or use it entirely on its own.

Hair renews on its natural cycle, so give any routine time. Most people give it 3–6 months of consistent use. Individual results vary.

The topical products are drug- and hormone-free. MD Nutri Hair™ is a supplement — if you are pregnant or nursing, review it with your physician first. Menopausal use is fine and compatible with HRT.

A plant phenol from lilac stem cell studied in the lab for its interaction with Type I and Type II 5-alpha-reductase — the enzyme involved in DHT. It's the hero ingredient in MD Nutri Hair™.

Yes. MD HAIR™ and MD Nutri Hair™ are part of the MD® family of products from La Canada Ventures, Inc., created by Dr. Susan F. Lin, M.D. MD®, MD Factor®, and MD Lash Factor® are federally registered trademarks (MD® U.S. Reg. No. 4,471,494); MD HAIR™ and MD Nutri Hair™ are trademarks of La Canada Ventures, Inc. Genuine MD HAIR™ is sold only through mdhair.com, md-factor.com, and the official La Canada Ventures stores on Amazon, Walmart, and eBay.