Copper Peptide Firming Serum: Elasticity & Age Defying Dermaesthetics Beverly Hills 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 INNOCOSVATE GHK Cu Copper Peptide Powder 99.9% Pure Cosmetic Grade Blue Copper Peptide for Anti Aging & Skin Repair Ultra Fine Soluble Crystals1G : Amazon.ca: Beauty & Personal Care GHK Cu is a naturally occurring copper peptide that declines with age. At 20: abundant. By 60: you have 60% less. What it does: Stimulates collagen and elastin synthesis Promotes wound