GHK Cu Copper Peptide Collagen, Skin Rejuvenation & Hair Restoration Defy GHK Cu (glycyl L histidyl L lysine) is a naturally occurring copper binding peptide found in human plasma. As levels decline with age, so may its support of the biological processes involved in collagen production, skin GHK CU Research Peptide Alpha Carbon Labs GHK Copper Peptide: Your Secret to Youthful, Radiant Skin, Skin Spa by Dr Kia Dr. Kia Shakib , (310)312 1231, [email protected], drkiala.com, Brentwood, Los Angeles , #drkia #peptides The Ordinary Multi Peptide + Copper Peptides 30ml Unichem Pharmacy