fda approved ghk-cu injectable 50mg 5 Vials – Us Chem Labs GHK-Cu (100mg) 6ml Vial
Description
And its one where the chemistry gives a clearer answer than most compounds in this space

Overstimulation of metalloproteinases (MMPs), enzymes that break down collagen and elastin

Its a copper-binding compound that tells your body to produce more collagen and elastin, the very foundations of youthful, firm, and glowing skin

Copper is an essential trace element, but excess copper is toxic
