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GHK-Cu supports scalp hydration and visible texture improvement

Here's how it works, the benefits, and how it's used

I have the hair I had when I was 16 years old

Genetic variants including GIPR rs1800437 , GLP1R rs6923761, FTO rs9939609, and MC4R rs17782313 relate to the biological pathways these medications act on

A 2025 paper published in BioImpacts confirmed topical GHK is increasingly being studied as a clinical anti-aging compound with hair restoration applications and that injectable forms are now entering clinical interest following the FDA's April 2026 decision to remove GHK-Cu from the Category 2 restricted list

GHK-Cu Concentration: What Do 2%, 4%, and 10% Mean