7% GHK CU ACCELERANT Crepey skin is so common as we get older, especially on our thighs, knees, and under our arms. But you can fight it! I love using the GHK Crepey Skin Escape and Crepey skin is so common as we get older, especially on our thighs, knees, and under our arms. But you can fight it! I love using the GHK Crepey Skin Escape and Glow Blend, Peptides Canada (BPC 157, TB 500, GHK Cu) Canadian Peptide Supply