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Education. Evidence. Regrowth.
- Education.
Prioritize knowledge. Make better choices.
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Sort good studies from the bad.
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Get bigger hair gains.
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- Rob English
Founder, researcher, & consumer advocate
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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.
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Popular treatments. But do they work?
- Finasteride
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IngredientsTop-selling ingredients, quantified.
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- Redensyl
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ProductsThe truth about hair loss "best sellers".
- Minoxidil Tablets
Xyon Health
- Finasteride
Strut Health
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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.
- Free CalculatorTopical Finasteride Calculator
- Free Interactive GuideInteractive Guide: What Causes Hair Loss?
- Free ResourceFree Guide: Standardized Scalp Massages
- Free Course7-Day Hair Loss Email Course
- Free DatabaseIngredients Database
- Free Interactive GuideInteractive Guide: Hair Loss Disorders
- Free DatabaseTreatment Guides
- Free Lab TestsProduct Lab Tests: Purity & Potency
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- Free Interactive GuideDermatology Appointment Guide
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Articles100+ free articles.
-
Genetic Tests: A Breakthrough for Personalized Hair Loss Treatments?
-
Do Chinese Herbs Help Regrow Hair? A Look At Traditional Remedies
-
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?
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BTD: Can This Gene Predict Regrowth From Biotin?
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COL1A1: Can This Gene Predict Regrowth From Collagen Support?
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
Before-Afters- Transformation Photos
Our library of before-after photos.
- Client Testimonials
Read the experiences of members
Before-Afters/ Client Testimonials- Popular Treatments
-
ArticlesRedensyl
First Published Oct 23 2024Last Updated Oct 28 2024Proprietary BlendResearched & Written By:Dan Sheridan
Regrowth Potential
Want help with your hair regrowth journey?
Get personalized support, product recommendations, video calls, and more from our researchers, trichologists, and PhD's dedicated to getting you the best possible outcomes.
Learn MoreFull Article
Redensyl is a patented combination of dihydroquercetin-glucoside (DHQG), epigallocatechin gallate glucoside (EGCG2), zinc, and gelatin. It is marketed as a treatment for hair loss, but there is very limited research to support this claim.
Want help with your hair regrowth journey?
Get personalized support, product recommendations, video calls, and more from our researchers, trichologists, and PhD's dedicated to getting you the best possible outcomes.
Learn MoreDan Sheridan
"... Can’t thank @Rob (PHH) and @sanderson17 enough for allowing me to understand a bit what was going on with me and why all these [things were] happening ... "
— RDB, 35, New York, U.S.A."... There is a lot improvement that I am seeing and my scalp feel alive nowadays... Thanks everyone. "
— Aayush, 20’s, Boston, MA"... I can say that my hair volume/thickness is about 30% more than it was when I first started."
— Douglas, 50’s, Montréal, CanadaWant help with your hair regrowth journey?
Get personalized support, product recommendations, video calls, and more from our researchers, trichologists, and PhD's dedicated to getting you the best possible outcomes.
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