GHK Cu Copper Peptide Neck & Face Serum Copper peptides can be used in routines that include dermarolling but many people choose to separate them and focus on timing rather than applying immediately after. #ghkcu #copperpeptides 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 Hydra Needle Microneedling with GHK Cu & SNAP 8 Peptide Skin Tightening Guide Miami, Beverly Hills, NYC