As for the supporting players, this serum contains a mixture of polyhydroxy acid that gently exfoliates skin and hyaluronic acid, which attracts moisture, says Christina Sun, MD, a board-certified dermatologist based in Philadelphia
Previous studies reported that SIPS can be triggered by oxidative stress caused by tBH and H 2 O 2 10,11
He shared emails showing that his own clinic has been approached by salespeople encouraging them to offer their patients NAD+, but he refused because the evidence was weak
Oncotarget (2016)
In a human intervention study, NAC (200 mg three times a day) application to ten healthy volunteers for 2 weeks did not affect plasma levels of calcium, magnesium, iron, Zn, and Cu [14]