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 GHK Cu Copper Peptide Scalp Therapy GHK Cu (Copper Peptide) LeadWest Medical GHK Cu Peptide Serum, Copper Peptide Serum with Hyaluronic Acid for Skin Tightening, Collagen Boosting & Deep Hydration, Advanced Topical Anti Aging Facial Serum TikTok Shop Dr Tahera explains that the topical version of GHK Cu and how it supports skin repair and rejuvenation. This is the cream based approach. Injectables? We'll cover that next. Because understanding your options matters.