OBAGI Nu-Derm®, 198 ml, Skin Toners for Women, The OBAGI Nu-Derm® toner helps you clean, harmonise and refresh your skin. Characteristics: keeps skin pH balanced it rids the skin of dirt and grease it hydrates and nourishes the skin soothes skin instantly How to use: Put on a cotton wool pad and apply to skin using circular movements. Do not rinse.