ghk cu hair growth study microneedling copper peptide Clinical Trial (2016) — Research Summary GHK-Cu peptide for hair: the
Description
Another funny tidbit about the fuzzy research is the peptide is most often clinically administered intramuscularly with an injection even though the research suggests the positive effects were noticed when it was given orally (4)

10.1007/s11064-015-1779-7 Neurochem

But it is worth being precise: these are proposed and studied mechanisms, not settled clinical facts

doi: 10.1152/ajprenal.00183.2002

Wash your hands thoroughly or use sterile gloves

Brief Bioinform
