Brand from France: La Roche-Posay. Effaclar Anti-Acne Purifying Mask is a sebo clay face mask formulated with kaolin clays to gently purify skin and glycerin for hydration.Designed to eliminate excess sebum and impurities while controlling shine. The gentle Effaclar Anti-Acne Purifying Mask is a sebo acne, oily skin mask with a formula is suitable for oily skin, imperfection-prone and sensitive skin.The Effaclar sebo clay mask is gentle on skin.Clay mask removes excess oil.Pores appear more refined.Skin stays matte and less oily for longer.How to use:Apply a fine layer to skin once or twice a week. Leave the face mask to act for 5 minutes and rinse off thoroughly with water. Avoid applying face mask to eye and lip area.