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 Reducing Redness & Inflammation with GHK Cu Copper Peptides Vitali Skincare 10 Benefits of Copper Peptides (GHK Cu) Boosts collagen production firmer, youthful skin Improves skin elasticity reduces sagging Reduces fine lines & wrinkles Accelerates wound & scar healing Strengthens skin barrier GHK Cu Peptide Therapy in Raleigh, NC 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