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 Topical Gel Transparent Peptides GHK cu Shampoo to Use After Hair Transplant STEMBOTANY Skin Perfection Wins Double Think Dirty Dirty Thinkers' Choice A GHK Cu Copper Peptides: Topical vs Injectable 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