Injectable Peptides for Anti Aging? A Dermatologist Explains GHK Cu Skin Restoration: Prioritizing Safety Over Trends GHK Cu Peptide Therapy Brea, CA Orange County GHK Cu might be trending, but its not new., Before you inject yourself with this viral peptide, consider this., This copper peptide has been studied for years in skin repair and collagen signalling, The Food and Drug Administration will hold a meeting this summer to consider easing restrictions on more than a half dozen peptide injections, a group of unapproved therapies that have become popular