- About
- Mission Statement
Education. Evidence. Regrowth.
- Education.
Prioritize knowledge. Make better choices.
- Evidence.
Sort good studies from the bad.
- Regrowth.
Get bigger hair gains.
Team MembersPhD's, resarchers, & consumer advocates.
- Rob English
Founder, researcher, & consumer advocate
- Research Team
Our team of PhD’s, researchers, & more
Editorial PolicyDiscover how we conduct our research.
ContactHave questions? Contact us.
Before-Afters- Transformation Photos
Our library of before-after photos.
- — Jenna, 31, U.S.A.
I have attached my before and afters of my progress since joining this group...
- — Tom, 30, U.K.
I’m convinced I’ve recovered to probably the hairline I had 3 years ago. Super stoked…
- — Rabih, 30’s, U.S.A.
My friends actually told me, “Your hairline improved. Your hair looks thicker...
- — RDB, 35, New York, U.S.A.
I also feel my hair has a different texture to it now…
- — Aayush, 20’s, Boston, MA
Firstly thank you for your work in this field. I am immensely grateful that...
- — Ben M., U.S.A
I just wanted to thank you for all your research, for introducing me to this method...
- — Raul, 50, Spain
To be honest I am having fun with all this and I still don’t know how much...
- — Lisa, 52, U.S.
I see a massive amount of regrowth that is all less than about 8 cm long...
Client Testimonials150+ member experiences.
Scroll DownPopular Treatments- Treatments
Popular treatments. But do they work?
- Finasteride
- Oral
- Topical
- Dutasteride
- Oral
- Topical
- Mesotherapy
- Minoxidil
- Oral
- Topical
- Ketoconazole
- Shampoo
- Topical
- Low-Level Laser Therapy
- Therapy
- Microneedling
- Therapy
- Platelet-Rich Plasma Therapy (PRP)
- Therapy
- Scalp Massages
- Therapy
More
IngredientsTop-selling ingredients, quantified.
- Saw Palmetto
- Redensyl
- Melatonin
- Caffeine
- Biotin
- Rosemary Oil
- Lilac Stem Cells
- Hydrolyzed Wheat Protein
- Sodium Lauryl Sulfate
More
ProductsThe truth about hair loss "best sellers".
- Minoxidil Tablets
Xyon Health
- Finasteride
Strut Health
- Hair Growth Supplements
Happy Head
- REVITA Tablets for Hair Growth Support
DS Laboratories
- FoliGROWTH Ultimate Hair Neutraceutical
Advanced Trichology
- Enhance Hair Density Serum
Fully Vital
- Topical Finasteride and Minoxidil
Xyon Health
- HairOmega Foaming Hair Growth Serum
DrFormulas
- Bio-Cleansing Shampoo
Revivogen MD
- more
Key MetricsStandardized rubrics to evaluate all treatments.
- Evidence Quality
Is this treatment well studied?
- Regrowth Potential
How much regrowth can you expect?
- Long-Term Viability
Is this treatment safe & sustainable?
Free Research- Free Resources
Apps, tools, guides, freebies, & more.
- Topical Finasteride Calculator
- Interactive Guide: What Causes Hair Loss?
- Free Guide: Standardized Scalp Massages
- 7-Day Hair Loss Email Course
- Ingredients Database
- Interactive Guide: Hair Loss Disorders
- Treatment Guides
- Product Lab Tests: Purity & Potency
- Evidence Quality Masterclass
- More
Articles100+ free articles.
-
Cannabidiol (CBD) Increases Hair Counts By 246%? Not So Fast.
-
Creatine: Does It Worsen Hair Loss? It Depends On The Hair Loss Type.
-
Can Progesterone Improve Hair Regrowth?
-
CRABP2: Can This Gene Predict Regrowth From Retinoids?
-
BTD: Can This Gene Predict Regrowth From Biotin?
-
COL1A1: Can This Gene Predict Regrowth From Collagen Support?
-
2dDR For Hair Loss: What Do We Know So Far About This Sugar?
-
CYP19A1: Can This Gene Predict Regrowth From Hormone Therapy?
PublicationsOur team’s peer-reviewed studies.
- Microneedling and Its Use in Hair Loss Disorders: A Systematic Review
- Use of Botulinum Toxin for Androgenic Alopecia: A Systematic Review
- Conflicting Reports Regarding the Histopathological Features of Androgenic Alopecia
- Self-Assessments of Standardized Scalp Massages for Androgenic Alopecia: Survey Results
- A Hypothetical Pathogenesis Model For Androgenic Alopecia:Clarifying The Dihydrotestosterone Paradox And Rate-Limiting Recovery Factors
Menu- AboutAbout
- Mission Statement
Education. Evidence. Regrowth.
- Team Members
PhD's, resarchers, & consumer advocates.
- Editorial Policy
Discover how we conduct our research.
- Contact
Have questions? Contact us.
- Before-Afters
Research Treatments, Without The Bias
We don’t sell or affiliate with any hair growth drugs, supplements, devices, shampoos, therapies, procedures, or surgeries. This allows to give you the facts (not fluff) about your treatment options, without an angling for a product sale.
Key Metrics
Evidence Quality
Regrowth Potential
Long-Term Viability
99%
Evidence
69%
Evidence
28%
Evidence
- Oral
- Topical
- Mesotherapy
-
Finasteride
A type II 5-alpha reductase inhibitor, FDA-approved for androgenic alopecia.
Regrowth PotentialLong-Term Viability -
Finasteride
A type II 5-alpha reductase inhibitor, FDA-approved for androgenic alopecia.
Regrowth PotentialLong-Term Viability -
Finasteride
A type II 5-alpha reductase inhibitor, FDA-approved for androgenic alopecia.
Regrowth PotentialLong-Term Viability
59%
Evidence
55%
Evidence
60%
Evidence
- Oral
- Topical
- Mesotherapy
-
Dutasteride
More powerful than finasteride. A DHT reducer that inhibits type I and II 5-alpha reductase.
Regrowth PotentialLong-Term Viability -
Dutasteride
More powerful than finasteride. A DHT reducer that inhibits type I and II 5-alpha reductase.
Regrowth PotentialLong-Term Viability -
Dutasteride
More powerful than finasteride. A DHT reducer that inhibits type I and II 5-alpha reductase.
Regrowth PotentialLong-Term Viability
97%
Evidence
63%
Evidence
- Topical
- Oral
-
Minoxidil
An FDA-approved hair growth topical that targets blood flow and inflammatory pathways.
Regrowth PotentialLong-Term Viability -
Minoxidil
An FDA-approved hair growth topical that targets blood flow and inflammatory pathways.
Regrowth PotentialLong-Term Viability
35%
Evidence
25%
Evidence
- Shampoo
- Topical
-
Ketoconazole
An anti-fungal considered to be one of the “big three” for hair loss.
Regrowth PotentialLong-Term Viability -
Ketoconazole
An anti-fungal considered to be one of the “big three” for hair loss.
Regrowth PotentialLong-Term Viability
89%
Evidence
- Therapy
-
Low-Level Laser Therapy
An FDA-cleared treatment for hair loss; leverages light waves to encourage hair growth.
Regrowth PotentialLong-Term Viability
73%
Evidence
- Therapy
-
Microneedling
An experimental intervention involving micro-punctures and wound-healing pathways.
Regrowth PotentialLong-Term Viability
71%
Evidence
- Therapy
-
Platelet-Rich Plasma Therapy (PRP)
An autologous therapy that extracts blood, centrifuges it, and then injects components back into the scalp.
Regrowth PotentialLong-Term Viability
33%
Evidence
- Therapy
-
Standardized Scalp Massages
A non-invasive, experimental intervention for pattern hair loss.
Regrowth PotentialLong-Term Viability
Explore 100+ Treatments & Ingredients Inside Our Membership Community
Stop guessing which hair loss treatments
actually workInstead, just read our cheat sheet
You’ll get the facts on nine “natural” and “conventional” hair loss treatments: how they work, how much hair they’ll regrow, their limitations, and what their marketers don’t want you know.
- Mission Statement