De La Cruz® Sulfur Ointment is an extra strength anti acne treatment. It penetrates the pores and dries and clears pimples and blackheads. In addition, it helps to keep new pimples and blackheads from forming. This effective natural ointment has been allergy tested and does not contain fragrance, parabens or artificial colors. It is also non-comedogenic (does not clog pores). This DLC Laboratories product has not been tested on animals. For The Treatment of Acne in Adults and Teens: Penetrates the pores and dries and clears pimples and blackheads Helps to keep new pimples and blackheads from forming Instructions: Cleanse the skin thoroughly before applying Cover the entire affected area with a thin layer - use on face, back, chest or anywhere on the body where acne may form Leave on for 10 minutes Remove with water Because drying of the skin may occur, start with 1 application daily, then gradually increase to 2 to 3 times daily if needed or as directed by a doctor If bothersome dryness or peeling occurs, reduce application to once a day or every other day Do not leave overnight