Once or twice a day STEP 1 Use on skin cleansed with Sรฉbium Gel moussant (Foaming gel) or Sรฉbium H2O. STEP 2 Apply on its own or before applying your skincare cream, either all over the face for oily skin, or locally on the T-zone for combination skin: Forehead, nose, chin. If problems persist, consult a healthcare professional.