1% GHK CU solution: is this applied directly on skin or diluted further? : r DIYaesthetics Amazon.com: GHK Cu Copper Peptide Supplement, Anti aging and revitalizing skin, strengthening hair roots: Precision nutrition capsules improve skin elasticity and increase hair density, 90 vegan capsules. : Health & Household GLOW Blend (GHK Cu + BPC + TB 500) 70 mg cellugenixpeptides.io GHK Cu, commonly known as copper peptides, are found naturally within the human body where they play a vital role in skin repair and maintenance. Copper peptides support optimal skin function by helping