Therapeutic Advances in Endocrinology and Metabolism, 16
Its skin-lightening properties help to reduce hyperpigmentation and dark spots, leading to a more even skin tone
In the study, researchers added cysteine and glycine to the subjects diets, and they began to notice increased glutathione levels after two weeks
Antiepileptic drugs like topiramate and zonisamide, which have sedative properties, were associated with cognitive impairments
As of July 26, 2026, 21 CFR 216.23 lists six substances that can be used through this pathway: Brilliant Blue G, cantharidin for topical use only, diphenylcyclopropenone for topical use only, N-acetyl-D-glucosamine for topical use only, squaric acid dibutyl ester for topical use only, and thymol iodide for topical use only