US$ 27.76
ghk-cu acne scars treatment Koreana Skin Copper Peptide Hydrogel Face Mask Anti-Aging Collagen Booster for Skin Repair, Firming, Fades & Redness. K-Beauty Sheet Mask : Beauty & Personal Care GHK-Cu Peptides Before and After:
Description
2006 Mar-Apr;20(2):253-7

189 In an uncontrolled trial that included 119 men with idiopathic infertility, supplementation with a multi-nutrient cocktail containing vitamins, minerals, and several antioxidants twice daily for three months led to significant improvements in sperm concentration, motility, morphology, and DNA fragmentation compared with pretreatment analyses

They dry the skin and can shift pH in ways that destabilize copper peptides
These peptides are much more delicate