EDIT: With the new Acne.org Cleanser you can use only 2 milliliters (1/2 teaspoon). EDIT: With the new Acne.org Treatment (Benzoyl Peroxide – 2.5%) you do not need to wait for your skin to dry. You can go immediately to Step 2. EDIT: With the new Acne.org Treatment (Benzoyl Peroxide – 2.5%) you do not need to wait for your skin to dry.