Copper Peptide Regenerating Serum for Glowing Skin and Hair While everyone is talking about weight loss peptides, GHK Cu quietly took over skincare. Also known as copper peptide, it's now showing up everywhere skin, hair, anti aging, creams, serums, and mainstream beauty How to use GHK Cu in your routine. Apply a few drops to clean skin and press gently into face and neck. Always follow with SPF during the day. Use daily for best GHK Cu Peptide Therapy: The Definitive Clinical Guide to Gene Modulation, Protocols, and Efficacy Can GHK Cu Be Taken Orally? Oral GHK Cu Bioavailability, Tablets & Copper Peptide Safety Neurogan Health GHK Cu Copper Peptide Hair & Scalp Serum