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Hair regrowth,
backed by data.

I'm RK. I've been testing hair regrowth products on my own scalp for 3+ years.
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Every claim here traces back to peer-reviewed studies. We read the papers so you don't have to wade through marketing copy.

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Mechanism over hype

Whether it's saw palmetto or GHK-Cu, we explain how it actually works on the follicle — not just whether someone on Reddit liked it.

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Actual price-per-result

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Latest Articles

Real reviews, real studies, real results.

LLLT and Red Light for Hair Loss (2026): What the Evidence Actually Shows

LLLT and Red Light for Hair Loss (2026): What the Evidence Actually Shows

Low-level laser therapy has more FDA-cleared hair-loss devices than any other category and a positive trial base going back to 2009. Here is what the evidence actually shows about effect size, which device to pick, how it stacks with minoxidil and finasteride, and where the marketing outruns the data.

Treatments #LLLT#Red Light Therapy
Microneedling + Finasteride Stack (2026): Does Adding Microneedling Actually Help?

Microneedling + Finasteride Stack (2026): Does Adding Microneedling Actually Help?

The strongest microneedling combo evidence is with minoxidil (Dhurat 2013). The newer question is whether stacking microneedling with topical finasteride — or dutasteride — adds something. Here is what the limited evidence shows and how to think about the stack honestly.

Microneedling #Microneedling#Topical Finasteride
Hair Loss Telehealth Comparison (2026): Hims, Keeps, Roman, Happy Head, Strut — Honestly

Hair Loss Telehealth Comparison (2026): Hims, Keeps, Roman, Happy Head, Strut — Honestly

A side-by-side look at the five biggest US hair-loss telehealth services — what each actually prescribes, what it costs, where the convenience genuinely pays off, and where seeing a real dermatologist still matters more than a one-click subscription.

Reviews #Telehealth#Hims
Scalp Massage for Hair Loss (2026): What the Evidence Actually Shows

Scalp Massage for Hair Loss (2026): What the Evidence Actually Shows

Scalp massage costs nothing, has zero downside, and has two small published human studies behind it. Here is what those studies actually demonstrate, why it might work mechanically, and where massage realistically fits next to treatments with stronger evidence.

Topicals #Scalp Massage#Scalp Oils
Nutrafol Honest Review (2026): What the Evidence Actually Shows

Nutrafol Honest Review (2026): What the Evidence Actually Shows

Nutrafol is the most-marketed hair supplement in the US, costs roughly eighty-eight dollars a month, and is one of very few hair supplements with actual published clinical trials. Here is what those trials show, what they don't, and how the math compares to the drugs with more evidence behind them.

Reviews #Nutrafol#Hair Supplements
Caffeine Shampoo for Hair Loss (2026): Does It Actually Work?

Caffeine Shampoo for Hair Loss (2026): Does It Actually Work?

Caffeine shampoo is the most-marketed topical hair-loss product that isn't a drug. The petri-dish evidence is real; the head-on-a-pillow evidence is much thinner. Here is the honest verdict — what it does, what it doesn't, and where it sits next to treatments that actually work.

Topicals #Caffeine Shampoo#Alpecin