M., Bartkiene, E., Karav, S., & Ozogul, F
Ingredients Glutathione, bear berry extract, grape seeds extract, glycerin, and Vitamin C
Two of the most commonly referenced forms are: GHK-Cu (Copper Tripeptide-1) AHK-Cu (Copper Tripeptide-3) While both belong to the copper peptide family, they are used differently in cosmetic formulation depending on whether the goal is skin-focused or scalp- and hair-focused performance
At first, I didn't know it was because of this, but after testing it for a few days, it became clear
Second, 5-amino-1mq appears to be highly selective