- 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.
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2.5mg Dutasteride: Before and After Photos [2026]
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Best Minoxidil for Women: Top 7 Brands of 2026
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Pumpkin Seed Oil for Hair Growth: Before and After Photos
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Best Minoxidil for Men: Top Picks for 2026
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Oral Minoxidil: Before and After Photos [2026]
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Minoxidil Before and After Photos [2026] | Does It Work?
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10 Best Ketoconazole Shampoos in 2026
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Happy Head Review: 5 Concerns With The Brand
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![2.5mg Dutasteride: Before and After Photos [2026]](https://perfecthairhealth.com/wp-content/uploads/2026/10/2.5-mg-dutasteride-before-and-after-photos.png)
By Perfect Hair Health TeamOct 1, 20262.5mg Dutasteride: Before and After Photos [2026]
Could increasing dutasteride from 0.5 mg to 2.5 mg daily produce significantly more hair regrowth? In the only controlled trial to test this higher dose, 2.5 mg dutasteride produced the largest hair count gains, greatest reduction to scalp DHT, and greatest photographic improvements. However, whethe...
By Perfect Hair Health TeamOct 1, 2026Best Minoxidil for Women: Top 7 Brands of 2026
With so many hair-thinning treatments marketed to women, it can be difficult to separate what truly works from what’s just hype. This evidence-based guide ranks the best minoxidil options for women in 2026, including prescription and over-the-counter formulas, based on effectiveness, tolerability, c...
By Perfect Hair Health TeamOct 1, 2026Pumpkin Seed Oil for Hair Growth: Before and After Photos
Pumpkin seed oil is one of the most recommended natural options for pattern hair loss, largely popularized by a 2014 randomized trial in which men taking it saw a 40% increase in hair count. While this looks encouraging at face value, a closer look at the data tells a more complicated story. The sup...
By Sarah King, PhDSep 26, 2026Best Minoxidil for Men: Top Picks for 2026
With countless hair loss products on the market, choosing the right minoxidil can be overwhelming. This evidence-based guide ranks the best minoxidil treatments for men in 2026, including prescription and over-the-counter options, based on effectiveness, safety, customization, and value. Discover wh...![Oral Minoxidil: Before and After Photos [2026]](https://perfecthairhealth.com/wp-content/uploads/2025/10/93-OM.jpg)
By Perfect Hair Health TeamSep 24, 2026Oral Minoxidil: Before and After Photos [2026]
Oral minoxidil is emerging as a popular off-label treatment for hair loss, offering an option for those who can’t use or don’t respond to topical formulas. While some achieve dramatic regrowth, most see more modest improvements. Discover why results vary, how to interpret before-and-after photos rea...![Minoxidil Before and After Photos [2026] | Does It Work?](https://perfecthairhealth.com/wp-content/uploads/2025/09/92-TM.jpg)
By Perfect Hair Health TeamSep 24, 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 Perfect Hair Health TeamSep 22, 202610 Best Ketoconazole Shampoos in 2026
With so many ketoconazole shampoos available, it can be difficult to know which products are actually worth using for dandruff, scalp inflammation, or thinning hair. This evidence-based guide ranks the 10 best ketoconazole shampoos of 2026, including over-the-counter and prescription options, based ...
By Dr. Michael WilliamsAug 23, 2026Happy Head Review: 5 Concerns With The Brand
Is Happy Head’s personalized hair-loss approach as science-backed as it sounds? In this in-depth review, we break down five key concerns with the telehealth brand’s products and claims. While prescription treatments like minoxidil, finasteride, and dutasteride can be effective, how they’re delivered...
By Sarah King, PhDJun 30, 2026Which Hormones Cause Hair Loss in Females?
Hair loss in women isn’t driven by a single hormone or pathway. While androgens like DHT play a role in some cases, factors such as estrogen decline, adrenal hormones, prolactin, and chronic stress can all disrupt normal hair cycling. This article explores the evidence behind each hormone and explai...
By Cassie Hopton, PhDJun 26, 2026Does Zepbound Cause Hair Loss?
Zepbound is a GLP-1 medication FDA-approved as a treatment for chronic weight management. But could it also cause hair loss? Reports from users provide anecdotal evidence that this drug may contribute to hair thinning. In this article, we break down the science behind these reports: what Zepbound is...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