glutathione reductase assay kit ZeptoMetrix OXItek GSH Quantification Test Glutathione Peroxidase (GSH-Px) Activity Assay

[DOI] [PubMed] [Google Scholar] 6.Obeid R, Fedosov SN, Nexo E

Overall, the safety evidence from extensive research and real-world use positions GHK-Cu as one of the safest and best-tolerated cosmetic peptides available, with a risk profile far more favorable than many conventional cosmetic ingredients and pharmaceutical agents

Many biologically active peptides, such as antimicrobial and antioxidant peptides, exhibit physiological functions and have the potential for tissue damage repair 31,32

10.1016/j.actbio.2018.07.041 174 XieS.LiS.ZhangZ.ChenM.RanP.LiX

2.21 Cytochrome P450 (CYP)-linked monooxygenases Pentoxyresorufin O-dealkylase (CYP2B1/2), ethoxyresorufin O-deethylase (CYP1A1) and methoxyresorufin O-demethylase (CYP1A2) were estimated using pentoxyresorufin, ethoxyresorufin and methoxyresorufin as substrates, respectively, and monitoring the formation of resorufin as final reaction product was monitored by the use of Perkin Elmer LS 50 B Luminescence spectrometer