GHK Cu Copper Peptide: Dosage, Before and After Results, and How It Works Perfect B 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 This compound has been studied for over 50 years. Most people discovered it last year on social media. In 1973, Dr. Loren Pickart identified GHK Cu while studying why young blood could GHK Cu Copper Peptide Regeneration, Skin Renewal & Anti Age