ghk cu painful injection site Unfortunately, GHK-Cu can sting, irritate and leave lumps or a small rash at the site. This happens because GHK-Cu (Copper Tripeptide-1) is a small, positively charged molecule that can cause temporary Natural tissue immortality: Indefinite Color:Purple Silk Bacteriostatic Sodium Chloride 0.9%

ghk cu painful injection site Unfortunately, GHK-Cu can sting, irritate and leave lumps or a small rash at the site. This happens because GHK-Cu (Copper Tripeptide-1) is a small, positively charged molecule that can cause temporary Natural tissue immortality: Indefinite Color:Purple Silk Bacteriostatic Sodium Chloride 0.9%

Natural tissue immortality: Indefinite survival of sea cucumber explants | Science Advances

Bailey LB, Gregory JF

Bacteriostatic Sodium Chloride 0.9%

Color:Purple Silk

We work with suppliers who regularly test their products. Our most recent batch (BAC-20260225-001, tested February 2026) returned pH 6.2, benzyl alcohol 0.91% and 99.90% main-component purity - all comfortably within spec, consistent with genuine pharmaceutical-grade bacteriostatic water