- 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.
- 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
- Free Video & Write-upEvidence Quality Masterclass
- Free Interactive GuideDermatology Appointment Guide
- More
Articles100+ free articles.
-
Burdock Root For Hair Loss? A Look Into The Evidence
-
Which Vitamin Deficiences Can Cause Hair Loss?
-
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?
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
-
Articles
Explore the science behind hair loss and hair growth. Our in-depth articles cover topics ranging from natural remedies to pharmaceuticals to breakthroughs in hair loss science. Want to request an article topic? Contact us.
IngredientsPharmaceuticalsNatural RemediesCompany Reviews
By Sarah King, PhDApr 11, 2024EGCG: Does This Polyphenol Regrow Hair? | A Scientific Analysis
Epigallocatechin gallate (EGCG) is a popular ingredient found in hair growth supplements, serums, & topicals. Unfortunately, there’s little clinical data showing it can regrow hair in humans, and at higher doses, it might be toxic. On the one hand, in vitro studies suggest EGCG has 5-alpha...
By Perfect Hair Health TeamApr 11, 2024Am I Supposed to Bleed When Microneedling? A Scientific Analysis
Microneedling is an experimental hair loss intervention that creates tiny punctures on the scalp skin surface – which improves topical penetration and triggers the body’s natural healing response. During a microneedling session, it’s normal to experience a bit of pinpoint bleeding. Havin...
By Perfect Hair Health TeamApr 11, 2024Microneedling vs PRP: Which Is Better?
Dermatologists often recommend platelet-rich plasma therapy (PRP) as a treatment for hair loss. However, studies suggest that microneedling might also achieve the same results for a fraction of the price. This article provides a comprehensive comparison of PRP versus microneedling: the clinical evi...
By Sarah King, PhDApr 11, 2024Is Hair Loss Treatment Lifelong? Here’s What The Data Show.
It can be daunting to think of hair loss treatments as a lifelong commitment. And for most cases of androgenic alopecia, this is true. However, starting treatment does not necessarily mean you must commit to a lifetime of treatment. Studies suggest that after stopping a hair loss treatment, hair los...
By Perfect Hair Health TeamApr 11, 2024I Am Experiencing Side Effects From Ketoconazole. What Should I Do?
Ketoconazole shampoo, a anti-fungal medication, is widely used to treat dandruff and seborrheic dermatitis. It is also sometimes used as an off-label treatment for androgenic alopecia and telogen effluvium. Some users experience side effects such as scalp itchiness & dryness. But with a bit of t...
By Sarah King, PhDApr 11, 2024Does Ketoconazole Work for Women?
Several clinical studies support the effectiveness of ketoconazole, an anti-fungal treatment, in treating androgenic alopecia and telogen effluvium. However, the evidence for ketoconazole in women is limited. One study found that daily ketoconazole use can facilitate hair growth in women with patter...
By Sarah King, PhDApr 4, 2024Niostem: Can This Device Stimulate Hair Regrowth? Analyzing Marketing Claims Vs. Reality
Niostem claims their device achieves hair regrowth through electrotrichogenesis & produces better results than finasteride or minoxidil – without “nasty side effects”. Our investigation found many of Niostem’s claims to be unsubstantiated. (1) Niostem has not conducted any comp...
By Sarah King, PhDApr 4, 2024Harklinikken Extract: Uncovering The Real Evidence
Harklinikken Extract is a hair growth serum marketed to men & women with hair loss. Harklinikken keeps secret the full list of ingredients inside Extract. Of the ingredients that are disclosed, there is incredibly limited clinical evidence supporting their use in treating hair loss. Despite this...
By Perfect Hair Health TeamMar 29, 2024BioSil® Supplement: Can Silica & Choline Really Regrow Hair? (Scientific Deep-Dive)
BioSil® is a popular hair health supplement. According to its manufacturers, BioSil® is supported by two clinical studies & the inclusion of two ingredients: silica & choline. But can this supplement actually regrow hair? Unfortunately, BioSil®’s clinical trials did not explicitly incl...
By Perfect Hair Health TeamMar 29, 2024Redensyl, Capixyl, & Procapil (RCP) For Natural Hair Regrowth? (Scientific Review)
Redensyl, Capixyl, & Procapil (RCP) are 3 trademarked blends constituting 12+ natural ingredients marketed for hair regrowth. RCP rose in popularity after a landmark clinical study suggested that topical RCP could regrow hair better than 5% minoxidil. Our investigation into the clinical data on ...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
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