What is Cetaphil Oily Skin Cleanser used for? It works by gently cleansing your skin without stripping its moisture, removing make-up, dirt and excess oils and leaving your skin feeling clean, soft and hydrated. it is a gentle, foaming cleanser that removes 99% of excess oil, dirt and makeup without stripping or drying your skin. It reduces excess facial oiliness with deep pore cleansing action without damaging skin barrier. It is a non-irritating, gentle foaming cleanser that rinses easily without leaving any residue and moisturizes the skin. It is ideal for teenagers and adults with oily, combination and acne prone skin.