How long does GHK CU take to start working? #ghkcu #transformation #ghk #skin #mt2 GHK Cu Copper Peptide 0.5% (topical foam) 7% GHK Cu Cosmetic Ingredient Accelerant Skin Biology 15 ml MorNatural 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 Peptide Serum 30 ml, Copper Peptide Serum with Hyaluronic Acid for Tightening, Collagen Boosting GHK Cu (copper peptide) is a science backed anti aging compound that supports collagen production, skin regeneration, and overall skin health. Used in both topical serums and subcutaneous