Epigenetic mechanisms activated by GHK Cu increase skin collagen density in clinical trial EurekAlert! GHK Cu: The Peptide for Regeneration This powerful copper peptide supports collagen production, accelerates wound healing, and promotes healthier, more youthful skin. Whether you're recovering from injury, managing inflammation, or just Amazon.com: Neurogan GHK Cu Copper Peptide Hair & Scalp Serum 2400mg, 4% Copper Peptides Fast Absorbing, Water Based Formula for Hair Softness & Shine Cosmetic Dry Scalp Moisturizer Spray, Made in USA : GHK Cu Topical Cream Frontiers Exploring the beneficial effects of GHK Cu on an experimental model of colitis and the underlying mechanisms GHK Cu Peptide Therapy: The Definitive Clinical Guide to Gene Modulation, Protocols, and Efficacy