Wharton S, Freitas P, Hjelmesaeth J, et al
Before your eyes glaze over at the phrase synthetic peptide fragment , heres the simple version
Hiya, I am very sensitive to pain so, after quick insertion of needle, I inject very slowly, a little at a time, and stop as soon as it hurts, rest a few seconds, then resume
After a few weeks, Ive mostly noticed hydration and softness, but I think I need longer consistent use to really see brightening effects
The synthetic versus natural distinction GHK-Cu exists naturally in human blood plasma, saliva, and urine