Squalane + Copper Peptide (GHK Cu) Rapid Plumping Serum The Science and Benefits of GHK Cu Peptide: Skincare, Hair Growth, and Beyond GHK Cu is one of the most powerful regenerative peptides for skin, hair, and overall tissue health. GHK Cu supports collagen production, healing, and visible rejuvenation from within. It's commonly used to improve skin Glow from within with GHK Cu Copper Peptide This powerhouse peptide supports collagen production, skin repair, and hair follicle health, helping improve skin firmness, radiance, and support fuller, healthier looking hair from the