Used as a stabilized, water-soluble form of vitamin E in cosmetic and pharmaceutical formulations. Enhances skin penetration and provides antioxidant protection by neutralizing free radicals. Commonly found in anti-aging creams, serums, and dermatological products due to its ability to support skin barrier function and reduce oxidative stress. Also investigated for use in cell culture media and drug delivery systems where improved solubility and stability of vitamin E are required.