Extract derived from the leaf or flower of the thyme plant. It can have potent antioxidant properties (Source: Journal of Agricultural Food Chemistry, March 2002, pages 1845–1851). Its fragrant component can also cause skin irritation, but thyme extract can have its beneficial components utilized to benefit skin. Generally speaking, thyme extract should not be one of the chief antioxidants used in skin-care products; however, in lower amounts and mixed with other antioxidants, it can be a beneficial addition.