CALA Purifying Blemish Patches are hydrocolloid acne patches infused with Salicylic Acid, Witch Hazel, and Tea Tree Extract. Each box contains 3 sheets with 30 dots per sheet, designed to help reduce blemishes and prevent scarring while providing a protective barrier. The patches help reduce blemishes while protecting the affected area from external contaminants. They contain salicylic acid combined with witch hazel and tea tree extract for purifying benefits. Each package includes 3 sheets with 30 patches per sheet. The patches feature clear adhesive strips that blend with skin. For best results, apply to clean, dry skin and leave on overnight or as needed until patch turns white, indicating it has absorbed excess fluid.