GHK Cu (copper peptide) is a science backed anti aging compound that supports collagen production, skin regeneration, and overall skin health. Used in both topical serums and subcutaneous GHK Cu Blue Skies Health & Wellness Clinic What is GHK Cu and Why is Everyone Talking About It? GHK Cu (Copper Peptide) is a powerful, naturally occurring compound in the body that plays a key role in skin health GHK Cu supports tissue repair and regeneration GHK Cu Peptides: Unlocking the Copper Peptide Revolution in Skin Care