ghk cu clinical trial wound healing randomized double blind Food-Derived Tripeptide–Copper Self-Healing Hydrogel for Infected Peptides for Plastic Surgery: Weight
Description
They can be derived, both from plants and animals

Use an antiseptic: After cleaning, apply an antiseptic ointment to the area to prevent infection
Ticino F

Copper peptides are photosensitive enough that an amber vial or aluminum-foil wrap is a reasonable precaution for any vial that will be drawn from over multiple weeks

12, 280294 (Woodhead Publishing Limited, 2011)