GHK-Cu Explained: What “Copper Tripeptide-1” Means in Skincare (And How To Use It)

GHK-Cu Explained: What “Copper Tripeptide-1” Me...

If you’ve been searching for a GHK-Cu peptide serum or a copper peptide serum for face, you’ve probably seen lots of different percentages, blends, and confusing names. This guide breaks...