The SkinCeuticals Acne Care System combines pore-cleansing, acne-fighting, and complexion-refining products in a daily homecare regimen that can be used alone or in conjunction with other doctor-recommended treatments. Optimal results depend on regular application as directed in the morning and evening regimens. Once existing blemishes are eliminated, remaining on a consistent acne-fighting regimen is the most effective way to keep skin clear and healthy. Consult your doctor regarding the best method of treatment for your skin. Includes: Clarifying Cleanser, Blemish Control Gel, Retinol 0.5, Clarifying Clay Masque.