Bioderma Sebium Purifying Cleansing Foaming Gel Tube in Beauty: NA. Clarifying and refreshing, Bioderma Sebium Foaming Gel gently cleanses the skin while preventing the formation of blemishes. Its patented Fluidactiv technology biologically regulates sebum production, keeping pores clear and encouraging maximum skin health.. Enriched with purifying agents, zinc gluconate and copper sulphate, it purifies the skin and limits oil production. Suited for combination, oily, or blemish-prone skin. Soap-free, paraben-free, hypoallergenic, and non-comedogenic. 3.33 fl oz. Follow with Sebium Exfoliating Purifying Gel and Pore Refiner Cream. BDER-WU19. 28666I. A pioneer in skincare since the 1970s, BIODERMA has acquired unique expertise by placing biology at the service of dermatology. This scientific approach relies first and foremost on knowledge of the skin and its biological mechanisms to formulate products directly inspired by them. BIODERMA’s approach involves reactivating the skin’s natural resources to help it resist and recover its normal functions, restoring skin to its healthiest state.