GHK Cu Peptide Therapy for Radiant Skin by Desert Mobile GHK Cu: The Peptide That Rebuilds, Repairs & Rejuvenates Boston Health Longevity 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 GHK Cu (Copper Peptide) is a naturally occurring peptide in the body that binds with copper to support cell repair and renewal. As we age, our levels decrease and thats where supplementation or Reducing Redness & Inflammation with GHK Cu Copper Peptides Vitali Skincare