12 weeks in, and my skin has NEVER looked better! GHK peptides are doing their thing. Alright, I need to give you an updateit's been 12 weeks since I started using GHK GHK CU Cosmetic for Healthy Skin Aging and Wrinkle Support Fullscript GHK Cu for Skin: SIGNAL's Guide to Rejuvenation GHK Cu: My secret weapon for skin, hair, and healing, I use it two ways topical cream for my face, and subQ injections 3x a week., It boosts collagen, tightens skin, helps hair grow, and even Copper Peptides for Skin: A Complete Guide