history of glutathione File:Glutathione reductase.png - Wikimedia Commons

Six L68QhCC human carriers taking oral NAC had skin biopsies obtained to determine if hCC deposits were reduced following NAC treatment

Clinical Evidence in Humans The topical evidence base is unusually robust for a research peptide: Facial aging study (71 women, 12 weeks): A GHK-Cu facial cream documented increased skin density and thickness, reduced laxity, improved clarity, and reduced fine lines and depth of wrinkles (PMID 26236730)

Fourteen reported subjective improvement, but there was no control group, no blinded assessment, no objective functional endpoint and no follow-up imaging endpoint [5]

Insert the needle into the bacteriostatic water vial and push the air in