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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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Best Minoxidil for Men: Top Picks for 2026
By Sarah King, PhD
Jan 16, 2026

Best 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...
Caffeine For Hair Loss (AGA): Evidence & Recommendations
By Perfect Hair Health Team
Dec 17, 2025

Caffeine For Hair Loss (AGA): Evidence & Recommendations

Caffeine’s role in hair loss (and hair growth) is hotly debated. On the one hand, oral caffeine may indirectly exacerbate hair loss in those who are hyperglycemic or hypothyroid. On the other hand, topical caffeine does have efficacy as a potential hair loss intervention – at least when combin...
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 ...
Natural vs. Pharmaceutical DHT Blockers: Ranked
By Michael Williams, PhD
Nov 25, 2025

Natural vs. Pharmaceutical DHT Blockers: Ranked

Natural and pharmaceutical DHT blockers both aim to slow or reverse hair loss, but their strength, safety, and side effects vary widely. This article ranks the most common DHT inhibitors from weakest to strongest, comparing how natural compounds, such as pumpkin seed oil and EGCG, stack up against p...
Does Topical Finasteride Work?
By Sarah King, PhD
Nov 13, 2025

Does Topical Finasteride Work?

Topical finasteride is quickly emerging as a compelling alternative to oral finasteride for treating androgenic alopecia, promising similar hair regrowth with significantly fewer systemic side effects. But does topical finasteride work? In this article, we break down how topical finasteride works, h...
Women: Is Topical Minoxidil Safe While Trying to Conceive?
By Michael Williams, PhD
Nov 12, 2025

Women: Is Topical Minoxidil Safe While Trying to Conceive?

Topical minoxidil is the most widely used treatment for female hair loss, but is it safe when trying to conceive? Here’s what current research says about fertility, pregnancy, and reproductive risks.
Men: Is Topical Minoxidil Safe While Trying to Conceive?
By Michael Williams, PhD
Nov 12, 2025

Men: Is Topical Minoxidil Safe While Trying to Conceive?

Many men use topical minoxidil to combat hair loss, but is it safe to continue while trying to conceive? Curious how the science stacks up and what experts actually recommend? Explore our evidence-based review to learn the facts about topical minoxidil and male fertility....
Minoxidil Side Effects: Everything You Need To Know
By Sarah King, PhD
Nov 8, 2025

Minoxidil Side Effects: Everything You Need To Know

Minoxidil is an FDA-approved treatment for androgenic alopecia, but its use can come with side effects – from mild scalp irritation to cardiovascular risks. This comprehensive guide assess common and rare side effects from topical minoxidil and oral minoxidil – along with mitigation strategies....
Topical Dutasteride Before and After: 10 Successes
By Perfect Hair Health Team
Sep 24, 2025

Topical Dutasteride Before and After: 10 Successes

Recent clinical data show that topical dutasteride offers promising hair regrowth and reduced side effects, but results vary widely, and more research is needed. Learn how to interpret anecdotal stories, set realistic goals, and combine therapies for the best outcomes....
Minoxidil Before and After Photos [2025] | Does It Work?
By Perfect Hair Health Team
Sep 24, 2025

Minoxidil Before and After Photos [2025] | 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, ...

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.