- 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.
-
GHK-Cu for Hair Growth: Does It Actually Work?
-
Minoxidil Before and After Photos [2026] | Does It Work?
-
Musely Reviews for Hair Loss: Are They Trustworthy?
-
Oral Finasteride Before and After: Real Case Studies
-
Why Am I Shedding After Starting Ketoconazole?
-
Diffuse Thinning: Causes, Implications, And Steps For Regrowth (See Photos)
-
The Scalp Tension Theory Of Hair Loss: A Scientific Breakdown
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Hims Hair Growth Reviews: The Pros, Cons, and Real Results
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 Dr. Michael WilliamsNov 1, 2026GHK-Cu for Hair Growth: Does It Actually Work?
GHK-Cu has become a popular addition to hair loss routines. Across the internet, people report less shedding, thicker hair, and regrowth after implementing copper peptide serums. While some of these anecdotal reports are compelling, the clinical evidence is much narrower than the online discussion s...![Minoxidil Before and After Photos [2026] | Does It Work?](https://perfecthairhealth.com/wp-content/uploads/2025/09/92-TM.jpg)
By Perfect Hair Health TeamOct 30, 2026Minoxidil Before and After Photos [2026] | Does It Work?
Topical minoxidil is the most widely used hair loss treatment, with decades of clinical evidence supporting its effectiveness. But while many experience stabilization and regrowth, others see little to no change. Learn why minoxidil response is so variable, how to interpret before-and-after photos, ...
By Cassie Hopton, PhDOct 30, 2026Musely Reviews for Hair Loss: Are They Trustworthy?
Musely promises affordable, convenient prescription hair loss treatments, but how well do those claims hold up under scientific scrutiny? This in-depth review breaks down Musely’s topical and oral formulas, examines the evidence behind each ingredient. If you’re considering Musely for hair loss, thi...
By Perfect Hair Health TeamOct 30, 2026Oral Finasteride Before and After: Real Case Studies
Oral finasteride remains the gold-standard treatment for male pattern hair loss, with decades of data showing consistent improvement in density and prevention of further thinning. However, dramatic online regrowth photos can lead to unrealistic expectations. In your regrowth journey, it’s important ...
By Sarah King, PhDOct 30, 2026Why Am I Shedding After Starting Ketoconazole?
Some people experience increased hair shedding after using ketoconazole shampoos or topicals. This can be due to several factors: treatment-induced hair shedding, a drug reaction, seasonal hair shedding, changes to other aspects of your hair growth regimen, ketoconazole overuse, scalp drying, & ...
By Perfect Hair Health TeamOct 30, 2026Diffuse Thinning: Causes, Implications, And Steps For Regrowth (See Photos)
Diffuse thinning is a presentation of hair loss linked to androgenic alopecia, stress, and a variety of chronic conditions. If you’re dealing with diffuse hair loss, this article reveals its common causes, and a step-by-step guide toward identifying which causes are most relevant to you. The g...
By Perfect Hair Health TeamOct 30, 2026The Scalp Tension Theory Of Hair Loss: A Scientific Breakdown
Does a tight scalp cause hair loss? Sixty years ago, researchers abandoned this theory. Now, studies on Botox and hair regrowth are making scientists revisit the scalp tension theory of hair loss. Here’s everything you need to know.
By Dr. Michael WilliamsOct 27, 2026Hims Hair Growth Reviews: The Pros, Cons, and Real Results
Hims has quickly become one of the most recognizable telehealth brands for men’s health, and its hair loss lineup is no exception. But do the sleek branding and promises of “personalized” care translate into real, sustainable regrowth? In this in-depth review, we break down Hims’ most popular hair g...
By Catherine Kennedy, PhDOct 27, 2026Keeps Review: The Truth About Their Hair Loss Treatments?
Keeps is a telehealth brand offering science-backed hair loss treatments. In this review article, we’ll break down what Keeps offers, the real science behind offerings such as finasteride and minoxidil, and if the evidence aligns with (or contradicts) any marketing claims....
By Cassie Hopton, PhDOct 27, 202610 Best DHT-Blocking Shampoos
DHT-blocking shampoos are widely available, but do they actually work? While blocking DHT is a proven strategy for treating androgenic alopecia, most evidence comes from oral medications and leave-on topicals, not rinse-off shampoos. In this article, we separate science from marketing by breaking do...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