Why GHK Cu Became the Most Talked About Peptide in Cosmetic Research Research Guide Tide Labs Tide Labs Why GHK Cu Became the Most Talked About Peptide in Cosmetic Research Research Guide Tide Labs Tide Labs Copper, Collagen, and Controversy: Inside the GHK Cu Buzz An injectable hydroxyapatite microsphere filler loaded with GHK Cu tripeptide for anti Inflammatory and antioxidant ScienceDirect GHK Cu + Epitalon (Epithalon) When it comes to advanced regenerative and longevity medicine, peptides are powerful toolsand two of the most studied are GHK Cu and Epitalon. GHK Cu (Copper Peptide)