Amazon.com: Skin Perfection Copper Peptide Serum GHK CU 1% for Face & Hair Copper Peptides for Skin, Hair, & Scalp 1% Blue Liquid for Face, Neck, Body, Scalp Multi Use Serum Booster with Losing weight or optimizing hormones but your skin isnt keeping up?, We offer different GHK Cu skin formulas depending on your goals:, GHK Cu + Tretinoin to support real skin renewal, GHK Cu + Say hello to your skin's new BFF GHK Cu is a powerful peptide that supports collagen production, speeds healing, improves hair growth, and helps fight visible signs of aging. This tiny molecule GHK Cu and Anti Aging Skincare InfiniWell Infiniwell Copper Peptides vs. Retinol & Vitamin C: What to Choose? by DrBeautiology Medium GHK Cu Skin Cream Proven Collagen & Anti Aging, $279