- Functions: BIOAQUA Acne Removal & Rejuvenation Moisturizing Mask. . Soothes redness and inflamed skin from pimples/acne and evens out skin tone. Control excessive oil production and reduces the occurrence of acne. Lightens hyper-pigmentation that results from acne scars. Hydrates the skin and makes pores less noticeable. Directions: Step 1: After washing your face, cleanse your skin with a toner step 2: Open the pouch, take out the mask, and spread out the folded parts step 3: Test the product on the back of your hand if you have sensitive skin, then apply the sheet mask over the face.Step 4: Adjust the mask on the face and press firmly and evenly over the face.Step 5: Leave on for 15-20 minutes Step 6: Remove the mask pack and tap softly to absorb the remaining residue on the skin.