Rejuvenation and Youth with GHK Cu Peptide Treatment Dr. Ahmet zyigit GHK Cu Copper Peptide Skin & Healing Beverly Hills GHK Cu: My secret weapon for skin, hair, and healing, I use it two ways topical cream for my face, and subQ injections 3x a week., It boosts collagen, tightens skin, helps hair grow, and even PSA] Albeit rare Copper peptide "uglies" are real and scary. Case report and looking for advices : r SkincareAddiction Peptides and Wellness Medications