sumanurica ghk-cu repairing serum Mini - Face Oil with Copper and Tripeptide-1 - Nourishes Skin - Vegan, Fragrance Free - For Sensitive Skin Cu Repairing Serum comes in a pack (3 x 10ml bottles) GHK-Cu Repairing Serum by SumaNurica

A 2025 IV safety study in two healthy human volunteers administered doses up to 20 mg without adverse events the highest quality human safety data currently available, but from only two subjects

Dransfield MT, Wilhelm AM, Flanagan B, Courville C, Tidwell SL, Raju SV, Gaggar A, Steele C, Tang LP, Liu B, Rowe SM

Investigators observe how this pentadecapeptide interacts with focal adhesion kinase (FAK) and paxillin cascades to physically guide structural cells to wound sites, balancing local nitric oxide signaling to stabilize endothelial cell survival curves

Since no group had normal distribution Mann-Whitney U test was applied