Say hello to your skin's new BFF GHK Cu is a powerful peptide that supports collagen production, speeds healing, improves hair growth, and helps fight visible signs of aging. This tiny molecule Most people think GHK Cu is just a beauty peptide. But look at this Same person. Same lighting. Real skin change. GHK Cu works by activating repair genes in the body helping with Skin Perfection GHK Cu Copper Peptide Serum Booster, 1 Percent Blue Liquid For Face, Neck, Body, Hair, And Scalp, 0.5 oz Walmart.com Amazon.com: Caffeine 5% + Bakuchiol Eye Serum for Dark Circles, Puffiness Eyes with Argireline & Copper Peptides (GHK Cu) Roll on Under Eye Serum, Anti Aging Wrinkle Care for Fine Lines 20ml : Beauty Amazon.com: Caffeine 5% + Bakuchiol Eye Serum for Dark Circles, Puffiness Eyes with Argireline & Copper Peptides (GHK Cu) Roll on Under Eye Serum, Anti Aging Wrinkle Care for Fine Lines 20ml : Beauty