30 Days Before & After Copper Peptide Serum Copper peptides arent just anti aging theyre skin quality essentials. No matter your age, strong skin = better texture, elasticity, and resilience. Copper peptide questions we get asked all the time , How often should you use it? Do you need to avoid the sun?, If youre new, start once daily (evenings are great), then build up if your skins 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 Copper Peptide (GHK Cu) 2% Recovery Serum GHK Copper Peptide GHK Cu Tripeptide 1