topical glutathione for skin as a whitening agent: Facts, myths, evidence and controversies Glutathione Plus Patch | Patch,

PMCID: PMC8279368

Pretreatment of RAW 264.7 macrophage cells with GHK-Cu has been shown to significantly decrease ROS levels induced by lipopolysaccharide (LPS), increase levels of SOD activities and total GSH, and decrease levels of TNF- and IL-6 production through the suppression of NF-B p65 and p38 MAPK signaling

Chim Oggi/chem Today 28:1416 Mohapatra A, Rajendrakumar SK, Cherukula K, Park MS, Padmanaban S, Vasukuty A, Mohanty A, Lee JY, Bae WK et al (2023) A sugar modified amphiphilic cationic nano-adjuvant ceased tumor immune suppression and rejuvenated peptide vaccine induced antitumor immunity in cervical cancer

Glutathione is an antioxidant produced in cells

If the patch test produces rash or itching within 48 hours, copper sensitivity is likely