The Obagi Nu-Derm Gentle Cleanser is the first step in the Nu-Derm System. This product has been specially formulated for dry or sensitive skin. It is a lightweight gel that helps eliminate dirt, oil and other debris so that skin is left clean and comfortable. It also nourishes the complexion and soothes irritations. This cleanser has been specially designed to clean the skin pores from all its impurities. It also enables other treatments to work more effectively.