measuring cellular glutathione concentration Measurement of as a Tool for Oxidative Stress Studies by High Performance Liquid Chromatography cell/tissue extracts Full article: Role of glutathione

Fumaric acid esters in combination with a 6-week course of narrowband ultraviolet B provides an accelerated response compared with fumaric acid esters monotherapy in patients with moderate-to-severe plaque psoriasis: a randomized prospective clinical study

J Mol Biol 416(4):486494

The Potential Early Responders had the highest clinical success rate (65.0%), while the Potential High-Risk Responders cluster had the lowest (33.3%)

Its definitely a smart thing to avoid with sensitive skin (and fragrance of any type - natural is just as allergic as synthetic, if not worse!)

2% Lactic Acid: Gently exfoliates dead skin cells to smooth rough texture and reveal brighter, softer-looking skin