This sheet mask comes with 3 steps in one to help clear up blackheads on your nose area. Leave the Step 1 packet on for 15 minutes and remove after 15-20 minutes. Apply water around the nose and apply STEP 2 on your nose evenly. Peel off the sheet from the edges of the nose slowly after 10-15 minutes. Cleanse the nose and apply STEP 3 on the nose evenly.