So excited about this peptide! GHK Cu serum and scalp solution available Fascinating peptide that helps to prevent and reduce fine lines and wrinkles. Applied topically on the scalp for hair growth. Just started GHK Cu? Here's what to expect This isn't an overnight peptide, it builds Weeks 12: You may start noticing small shiftsskin feels a bit smoother, nails a little stronger Weeks 34: PDF) The effect of tripeptide copper complex on human hair growth in vitro GHK Cu Peptide: Hair Regrowth for Thinning & Alopecia Copper Peptide Serum with 1% GHK Cu peptide, Argireline and Matrixyl 3 Dr. Brenner Labs GHK Cu Copper Peptide Shampoo Anti Hair Loss Shampoo Promotes New Peptide Labz