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 GHK Cu (Copper Peptide) Neck & Face Serum 1200mcg (1 oz bottle) Amazon.com: The Ordinary Multi Peptide + Copper Peptides 1%, GHK Cu Anti Aging Serum for Fine Lines and Skin Elasticity, 1 Fl Oz : Beauty & Personal Care Copper Peptide Serum with 1% GHK Cu peptide, Argireline and Matrixyl 3000
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