Interest in such applications is largely driven by their proposed mechanisms of action, including enhancement of tissue repair, modulation of inflammation, and cytoprotective effects observed in preclinical studies
One reason for this is that the level of glutathione will fluctuate throughout the day from its lowest in the early morning to depletion from routine exposure to toxic substances (like alcohol), pathogens, cigarette smoke, car exhaust, drugs, certain foods, stress level, illness, and many similar factors, so repeated testing could be required to set a baseline
What is the theoretical cancer risk associated with Dihexa's mechanism
International Journal of Cosmetic Science, 31(5), 327-345
doi: 10.3390/ani15182689 112 SantosM
10.1016/j.solidstatesciences.2009.06.016