Reducing Redness & Inflammation with GHK Cu Copper Peptides Vitali Skincare Ghk cu gave me acne scars : r Biohackers Neurogan + Health GHK CU Copper Peptide Hair and Scalp Serum PrettyStick GHK Cu, the copper peptide, is a game changing injectable for radiant skin and so much more Here's what it can do: Boost collagen for smoother, firmer skin Anti aging 1% GHK CU solution: is this applied directly on skin or diluted further? : r DIYaesthetics