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Tag: #Topicals

2 articles

GHK-Cu Copper Peptide for Hair Loss: What the Evidence Actually Says (2026)

GHK-Cu Copper Peptide for Hair Loss: What the Evidence Actually Says (2026)

GHK-Cu is marketed as a hair regrowth peptide, but the most-cited human trial used copper-FREE GHK combined with another molecule, and the in-vitro data many sites quote is for a different peptide. An honest evidence audit.

Ketoconazole Shampoo for Hair Loss: What 27 Years of Evidence Actually Show (2026)

Ketoconazole Shampoo for Hair Loss: What 27 Years of Evidence Actually Show (2026)

Ketoconazole 2% shampoo (Nizoral) has the longest evidence base of any OTC topical for hair loss. The claims aren't huge — but they're real, replicated, and cheap. An honest review of every key trial since 1998.