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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.

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Microneedling For Hair Loss: 5 Strategies to Reduce Pain
By Perfect Hair Health Team
Dec 16, 2025

Microneedling For Hair Loss: 5 Strategies to Reduce Pain

Microneedling is an experimental therapy for androgenic alopecia and other hair loss disorders. One of its downsides is that it is painful to administer. However, there are simple and effective strategies to reduce pain levels while microneedling across the scalp:(1) opting for devices that ensure n...
Saw Palmetto: Is It As Effective As Finasteride?
By Perfect Hair Health Team
Dec 16, 2025

Saw Palmetto: Is It As Effective As Finasteride?

Saw palmetto is less effective than finasteride for treating pattern hair loss – with clinical studies showing lower response rates and regrowth rates in men taking 320mg of saw palmetto versus 1mg of finasteride daily. However, saw palmetto is also associated with fewer sexual side effects. This me...
Platelet-Rich Plasma (PRP): Does It Regrow Hair? Maybe, Maybe Not.
By Perfect Hair Health Team
Dec 16, 2025

Platelet-Rich Plasma (PRP): Does It Regrow Hair? Maybe, Maybe Not.

PRP can increase hair counts by 25-40% for those with androgenic alopecia. However, it’s expensive and requires ongoing injections to maintain results. It works best as an adjunct treatment, and it might be less effective for women. Before you invest in PRP, make sure to vet your dermatologist with ...
The Misleading Results Of The Pumpkin Seed Oil-Hair Loss Study
By Perfect Hair Health Team
Dec 16, 2025

The Misleading Results Of The Pumpkin Seed Oil-Hair Loss Study

People looking for natural solutions to hair loss often stumble upon pumpkin seed oil. After all, many articles claim that a 2016 study showed this supplement can regrow hair. But these articles are missing a key detail: that 2016 study wasn’t on pumpkin seed oil; it was on an herbal blend. Wh...
Topical Latanoprost For Hair Loss: Results, Doses, & Side Effect Concerns
By Perfect Hair Health Team
Dec 15, 2025

Topical Latanoprost For Hair Loss: Results, Doses, & Side Effect Concerns

For androgenic alopecia, clinical studies suggest that ~0.1 mg daily of topical latanoprost can improve hair counts, with visual improvements occurring in 30-50% of hair loss patients over 6-8 months. Telehealth brands are prescribin doses 10-20 times higher than what was clinically studied, thus po...
Finasteride For Women: What’s The Perfect Dose?
By Richard Clayton, PhD
Dec 8, 2025

Finasteride For Women: What’s The Perfect Dose?

Oral finasteride is an effective treatment for male pattern hair loss, also known as androgenic alopecia. However, the drug’s benefits to female pattern hair loss are less clear. Some studies show that females taking between 1.0 to 5.0 mg of finasteride daily improve their hair loss, while oth...
Topical Finasteride Side Effects: What to Know
By Sarah King, PhD
Dec 4, 2025

Topical Finasteride Side Effects: What to Know

Topical finasteride is marketed as a “safer, localized” alternative to the oral pill, but how true is that? In this article, we break down what the science actually shows about systemic absorption, sexual and mood-related side effects, real-world user reports, and why responses vary so widely. Learn...
Low-Dose Topical Dutasteride: Better Than Oral Finasteride? (New Study & Photos)
By Sarah King, PhD
Dec 3, 2025

Low-Dose Topical Dutasteride: Better Than Oral Finasteride? (New Study & Photos)

A new clinical trial claims that low-dose topical dutasteride outperforms oral finasteride for hair regrowth, a result so surprising that it contradicts nearly everything we’ve seen in 5+ years of real-world member data. In this deep dive, we break down what we previously knew about topical dutaster...
Topical Finasteride: The Best Dosage for Maximizing Regrowth and Minimizing Side Effects
By Perfect Hair Health Team
Nov 29, 2025

Topical Finasteride: The Best Dosage for Maximizing Regrowth and Minimizing Side Effects

Since earning FDA approval in 1997, Finasteride has been one of the most widely used hair loss drugs. To avoid potential sexual side effects, many opt for topical finasteride in hopes of isolating the drug’s DHT-reducing effects on the scalp. However, at certain doses, topical finasteride can enter ...
Blueprint Haircare Stack: Product Review
By Michael Williams, PhD
Nov 27, 2025

Blueprint Haircare Stack: Product Review

Bryan Johnson’s Blueprint Haircare Stack promises hair longevity rooted in science, but how much does that translate into real-world results? In this review, we unpack the ingredients, scrutinize the evidence, compare it to proven alternatives, and ask whether the Haircare Stack offers meaningful be...

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.