Meet the ingredient your skin has been waiting for. GHK Cu, or Copper Tripeptide 1, is one of the most researched anti ageing actives in skincare. It firms. It renews. It supports collagen. And now Neurogan Health, Copper Peptide GHK CU, 120 mcg, 60 Tablets iHerb Copper Tripeptide 1: Anti aging Peptide for Smooth, Firm Skin Amazon.com: Neurogan GHK Cu (Copper Peptide) Neck & Face Serum 1,200mcg (1 oz bottle) : Beauty & Personal Care
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