Bioderma Sebium Foaming Gel: Purifying cleansing foaming gel for combination, oily to acne-prone skin Sebium Foaming Gel gently cleanses and purifies the skin without drying it. This foaming gel purifies the epidermis and eliminates the accumulation of sebum and perspiration increased after wearing your mask all day long. Its ultra-gentle formula respects the cutaneous balance. Non-drying, soap-free. Non-comedogenic.