No risk of contamination
This is especially true for people who have pre-existing conditions and people who are 60 or over
Patch test before first use to check for sensitivity
However, if you find it causes mild stomach upset, you can take it with a light, healthy fat like a few slices of avocado
Conditions That Increase Injection Site Discomfort Higher concentrations: At higher concentrations of GHK-Cu, the concentration of positively charged GHK-Cu molecules at the injection site increases, amplifying the localised pH disturbance and the associated discomfort
Free Radic Biol Med 2017;106:1117 [DOI] [PMC free article] [PubMed] [Google Scholar] 46.Sun J, Wen Y, Zhou Y, Jiang Y, Chen Y, Zhang H, Guan L, Yao X, Huang M, Bi H.p53 attenuates acetaminophen-induced hepatotoxicity by regulating drug-metabolizing enzymes and transporter expression