Free radicals generated by ultraviolet radiation, pollution, and other environmental stressors cause oxidative damage to cellular structures, including DNA, proteins, and lipids that maintain healthy skin function
Nelson M, Balasundaram G, Webster TJ
Those levels are most often attributed to Malin Falkenmark, who did groundbreaking work assessing water for people
Active form (GSH) is antidamage form and a cell form
That is, the amount of drug required to induce efficacy is 6,000 and 30,000 times greater in bioavailable aqueous concentration of the drugs compared to their nanomolar efficacy
Novel devices (meaning those that do not have a predicate device on the market) that are low-to-moderate risk may request De Novo classification from FDA