is glutathione spray effective Protocol | $125/mo L-Glutathione Face Mist 120mg |

Most published research on the peptide, though, is linked to skin health

Copper Peptide (GHK-Cu) is a biomimetic tripeptide complexed with copper ions, recognized for its role in cosmetic formulations targeting skin revitalization and improved appearance

J Neuropathol Exp Neurol 69:155167 Sultana R, Piroddi M, Galli F, Butterfield DA (2008) Protein levels and activity of some antioxidant enzymes in hippocampus of subjects with amnestic mild cognitive impairment

The substances still arent approved for any specific medical condition, and any current use remains off-label, meaning a doctor is prescribing or recommending something outside its formally approved purpose