Bioderma Sebium Foaming Gel Pump 500ml in Beauty: NA. Bioderma Sebium Foaming Gel Pump 500ml in Beauty: NA. Gentle, purifying cleanser that visibly reduces excess shine.. Suitable for oily skin. Lactic Acid, Zinc Sulfate, and Ginkgo Biloba Leaf Extract to help limit sebum secretion and prevent visibly clogged pores. Free of soap Non-comedogenic. 16.7 fl oz. Apply in morning and/or evening.. Step 1: Apply on wet skin. Step 2: Work into a foam.. Step 3: Rinse well with water. Step 4: Gently dry. Can be used as a shaving foam. Can be used on the back and the bust.. BDER-WU78. 28664I. 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.