GHK CU Topical Cream NEXTDRIP 99% Pure Topical Beauty Peptide Ahk Cu Copper Peptide Ghk Cu CAS 49557 75 7 Anti Hair Loss Ahk Cu Anti Aging Peptide Ghk Cu Ghk Cu, Peptide Ghk Cu Made in China.com What is the safe topical dosing, duration, and contraindications for the copperbinding peptide GHKCu for wound healing or antiaging? Defy GHK Cu (glycyl L histidyl L lysine) is a naturally occurring copper binding peptide found in human plasma. As levels decline with age, so may its support of the biological processes involved in collagen production, skin