Copper Peptide GHK CU Conditioner for Hair Growth Mall of California GHK Cu Scalp Solution Empower Pharmacy Four reasons this serum belongs in your routine. GHK Cu Peptides that firm and support collagen renewal. Barrier support to keep your skin healthy and resilient. No injection. No needles. No clinic visit. GHK Cu Copper Peptide Neck & Face Serum If you're using GHK Cu and it stings a little (which is common) this one's for you In this reel I'm sharing the small tweaks that have helped me make peptide injections