For anyone concerned about copper toxicity from GHK-Cu use, the data is reassuring
This combination is particularly beneficial for clients focused on anti-aging, post-inflammatory skin concerns, or general skin rejuvenation
For example, Arencias Vitamin C Booster Shot Serum helps people with reactive skin find their glow by using a familiar vitamin C duopure ascorbic acid for that immediate brightening boost, plus 3-O-ethyl ascorbic acid (50,000 ppm, which translates to about 5%)
GSH-Dependent Processes in Antioxidant Defence Enzyme System Review (PubMed, 2011) Glutathione Peroxidases, S-Transferases & ABC Transporters in Oxidative Stress Resistance A review published on PubMed summarised current knowledge on GSH-associated cellular processes central to defence against oxidative stress
Influence of selected peptides and their copper complexes on antioxidant enzyme activities in human skin fibroblasts