Breaking: more people are starting to explore copper peptides over retinol, Not because retinol is bad, but because people are beginning to understand how different ingredients actually work., I was super skeptical because I've literally tried everything Retinol destroyed my skin. Vitamin C oxidized and stung. Four different peptide serums and nothing actually worked. Then I tried GHK Cu. 6 weeks Anti Aging Skincare Retinol & GHK Cu Peptide Solutions Beyond Basix The Blue Revolution: Why 1% Pure GHK Cu is the New Standard for Mature Pure & Cimple