Intense purifying dermatological treatment for acne45prone skin with severe blemishes this skin has sebum that is biologically altered it is rich in irritating comedogenic fatty acids that can cause recurring spots and blackheads to appearpropertiesa laboratoire bioderma innovation s233bium global is the first care product that biologically treats the causes and consequences of severe blemishes8226 on the causes the latest45generation fluidactiv174 patent which