fbpx
Menu

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.

Ingredients
Pharmaceuticals
Natural Remedies
Company Reviews
Harklinikken Extract: Uncovering The Real Evidence
By Sarah King, PhD
Apr 4, 2024

Harklinikken 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...
BioSil® Supplement: Can Silica & Choline Really Regrow Hair? (Scientific Deep-Dive)
By Perfect Hair Health Team
Mar 29, 2024

BioSil® 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...
Redensyl, Capixyl, & Procapil (RCP) For Natural Hair Regrowth? (Scientific Review)
By Perfect Hair Health Team
Mar 29, 2024

Redensyl, 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 ...
Nutrafol Growth Activator Hair Serum: A Scientific Analysis & Debunking
By Sarah King, PhD
Mar 29, 2024

Nutrafol Growth Activator Hair Serum: A Scientific Analysis & Debunking

Nutrafol’s Growth Activator Hair Serum is marketed as a hair growth topical to men and women. Its key differentiating point: ashwagandha exosomes, which Nutrafol says helps support cell renewal to activate visibly thicker hair. Nutrafol references a study claiming that 87% of serum users saw h...
Are Low-Potency Corticosteroids Safe for Use as Hair Loss Treatments?
By Perfect Hair Health Team
Mar 29, 2024

Are Low-Potency Corticosteroids Safe for Use as Hair Loss Treatments?

Many telehealth brands are adding in low-potency corticosteroids – i.e., 1% hydrocortisone or 0.01% fluocinolone – to their prescription topicals for hair regrowth. They also recommend men & women use their topicals twice-daily, forever. The problem? Corticosteroids can thin the skin, and there&...
What Happens If I Stop Using Finasteride?
By Perfect Hair Health Team
Feb 26, 2024

What Happens If I Stop Using Finasteride?

After quitting finasteride, two-year clinical studies suggest that hair loss resumes 1-3 months after withdrawal. Within 3-12 months of quitting, hair counts return to where they were prior to starting the drug, and hair loss continues. But what about those who quit finasteride temporarily? What abo...
Topical Finasteride: How Can I Minimize My Partner’s Exposure To The Drug?
By Perfect Hair Health Team
Feb 26, 2024

Topical Finasteride: How Can I Minimize My Partner’s Exposure To The Drug?

Some topical finasteride users worry about inadvertently exposing their partner or kids to the drug – particularly if household members often touch their hair or use the same pillowcases. In most scenarios, indirect exposure to topical finasteride is not a cause for concern – particularly if users g...
Understanding Evidence Quality | How Hair Loss Companies Cheat Clinical Trials
By Perfect Hair Health Team
Sep 6, 2023

Understanding Evidence Quality | How Hair Loss Companies Cheat Clinical Trials

In this guide, we’ll expose how big-brand companies in the hair loss industry cheat their clinical study results – all so they can convince hair loss sufferers to buy products that probably won’t work for them. Due to a broad definition of “hair loss” and “hair growth&#...
Fluridil: A Topical That Regrows Hair, Without Side Effects? (Scientific Deep-Dive)
By Sarah King, PhD
Mar 6, 2023

Fluridil: A Topical That Regrows Hair, Without Side Effects? (Scientific Deep-Dive)

Fluridil (topilutamide) is a topical anti-androgen that may help reduce levels of testosterone and dihydrotestosterone in the scalp. Some users claim the drug regrows hair, doesn’t cause side effects, and doesn’t affect hormones elsewhere in the body. But is this actually true? To date, ...
Regrowth from Minoxidil: How Much Should I Expect?
By Perfect Hair Health Team
Feb 24, 2023

Regrowth from Minoxidil: How Much Should I Expect?

How much regrowth can we expect from minoxidil? As with any hair loss treatment, it depends on a number of factors: genetic variance in the SULT1A1 gene, the delivery method of minoxidil (oral vs. topical), the dosing amount and schedule, and if minoxidil is combined with interventions that might en...

Stop guessing which hair loss
treatments actually work

Instead, 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.