Sciene-based special care for oily and blemished skin. Not only does excessive production of sebum make the skin look greasy and shiny, it is also the main cause of unsightly blemishes such as pimples and red spots. In addition to zinc and salicylic acid, Impurity Control contains a special cosmetic active ingredient from Syringa vulgaris Extract. If used regularly twice a day for at least a month, this can reduce sebum production. Skin imperfections such as red spots can fade as a result. The number of inflamed areas can also decrease. Overall the skin is again perceived as cleaner. The active ingredients used in the scientifically designed care also limit the bacterial colonization of the sebum glands and their inflammatory potential.