Copper Tripeptide-1 Recommended Use Level: How Much GHK-Cu to Use in Cosmetic Formulations
Copper Tripeptide-1 recommended use level is not simply a percentage copied from a supplier brochure. For a cosmetic formulator, the useful question is how much active GHK-Cu is actually being introduced into the finished product, and that depends on the form of the raw material, its assay, the formulation target, and the behavior of the […]
