who discovered ghk cu 7% GHK-Cu Accelerant GHK-Cu: Your Ultimate Skin Rejuvenation
Description
In fact, the chemical form in this product was chosen to avoid that side effect
What is the difference between Copper Tripeptide-1 and Copper Tripeptide-3

While not FDA-approved for anti-aging, its used in supervised medical protocols for skin health and wound healing applications

It is majorly built from three amino acids, which are hydroxyproline, proline, and glycine