ghk-cu neuroprotective effects Peptide: Mechanism, Anti-Aging Research, and Regenerative Benefits Frontiers | Glycine-Histidine-Lysine (GHK) Alleviates
Description
Especially because of the eye irritation

Kornblith E, Bahorik A

Depending on the protocol, peptides may be delivered through subcutaneous injections, oral capsules, nasal spray, or topical application, with the best delivery method determined during your personalised evaluation

The entire experiment hinges on the purity of the peptide
