GHK Cu Copper Peptide: The Ultimate Peptide For Longevity What Is GHK Cu Peptide? Say hello to your skin's new BFF GHK Cu is a powerful peptide that supports collagen production, speeds healing, improves hair growth, and helps fight visible signs of aging. This tiny molecule Most skincare works on the surface. GHK Cu works deeper as a biological signal that helps guide the body's natural repair processes. Research has shown its potential to support collagen production, tissue remodeling, GHK Cu: The Regenerative Peptide for Skin, Hair, and Healing Pulse & Remedy