Copper Peptide Serum for Hair Regrowth & Thinning Hair Feline Skinscience The hype is real. Ghk Cu aka the copper beauty peptide GHK Cu for hair growth does it actually work? Short answer: no. GHK Cu can be great for skin but when it comes to hair growth, the evidence just isn't there. And this Say hello to your skin's new BFF GHK Cu is a powerful peptide that supports collagen production, speeds healing, improves hair growth, and helps fight visible signs of aging. This tiny molecule Week 1 GHK Cu scalp protocol. Noticed subtle changes in hair texture and appearance already. Tracking progression weekly. #GHKCu #HairGrowthJourney #ScalpHealth #Biohacking #hairexperiment Does it work? Maneup GHK Cu hair growth serum : r tressless