Our Spot Patch Contains Ascorbic Acid (Vitamin C) and Salicylate. It Can Use Microneedles to Form Tiny Channels on the Skin Surface, Gently Remove Black Spots, Reduce Redness and Swelling, Improve Dull Skin Color, and Make the Skin Even White. Its Usage Method Is Very Simple: after Cleansing, Dry Your Face, Tear off the Film, Expose the Microneedles, and Stick the Patch Directly on Black Spots, Blemishes Or Acne for about 8-12 Hours, remove the Patch and Then Perform Regular Skin Care. Remove Acne Quickly, Shrink Pores, Reduce Spots and Blemishes, Thus Making Skin Smoother and More Delicate.