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 Copper Peptides for Skin: What GHK Cu Does and How It Compares to Retinol Copper Peptide Regenerating Serum for Glowing Skin and Hair GHK Cu Skin Cream Proven Collagen & Anti Aging, $279 7% GHK CU ACCELERANT
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can you use ghk cu with retinol GHK-CU Before and After Pictures