Flawless skin at 50 (pretty dang close to it, anyway) And how do I retain this radiant glow? Copper Peptide GHK Cu: They are naturally found in the human body, have skin GHK CU ACETATE Topical Foam Compounded 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 Idaho Concierge Medicine