Buy high quality GHK Cu 50mg (copper peptide) from the UK's leading store Pure Peptides UK GHK Cu is not Botox. It does not freeze a single muscle. It works because it works at the matrix level. GHK Cu stimulates collagen and glycosaminoglycan synthesis, modulates the matrix metalloproteinases that govern GHK Cu 99%+ Pure Peptide Amino Club Amino Club GHK Cu Facial Serum Empower Pharmacy GHK CU VIBRANCY MICRONEEDLING KIT LUX LAB