At Home Microinfusion in 2026: The Science Backed Guide 7 days on GHK Cu. Here's my honest update. I'm not going to hype this up because the real results don't even start until week 46. But something is already happening. Copper Peptide Serum with 1% GHK Cu peptide, Argireline and Matrixyl 3000 For those of you that take ghk cu, why is this so bad? It's never been this bruised. But is always swollen, red, and burns like hell. I can only tolerate every other Biostetix Not everything that stimulates collagen is automatically beneficial in excess. GHK Cu is a powerful regenerative peptide but like many Instagram