What are the benefits, recommended regimen, and safety considerations of topical GHKCu (copper peptide) for skin repair and rejuvenation in healthy adults? 12 weeks in, and my skin has NEVER looked better! GHK peptides are doing their thing. Alright, I need to give you an updateit's been 12 weeks since I started using GHK GHK CU: Promote Hair Growth & Thicker Follicles Evolve Peptide Therapy for Pain Management and Healing Core Medical & Wellness Amazon.com: Skin Perfection GHK Cu Copper Peptide Powder 99.7% Pure DIY Copper Peptides Serum for Face and Scalp Cosmetic Grade GHK Cu 1 Gram Creates Up to 100ml for Fuller Hair and Rejuvenation and Youth with GHK Cu Peptide Treatment Dr. Ahmet zyigit