What is the recommended dosage of GHK Cu (Glycyl Histidyl Lysine Copper) for topical treatment of acne and skin health on the face? Glow Peptide Blend for Research My Pure Peptide 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 Cellular Glow Copper Peptide GHK Cu Serum for Face Experiencing itching & burning from your GHK CU peptide injections? Try these to hacks: 1. Use a longer syringe to penetrate deeper into the fat cells. 2. Dilute the copper. Here I