Zero in on your blemishes with STYLPRO’s Hydrocolloid & Salicylic Acid Replacement Patches (30 patches) Intended to be gentle on the skin, the exfoliant product absorbs impurities on the surface, leaving behind a smoother feel and an improved texture. Rough areas become visibly reduced with regular use, as salicylic acid helps to lift debris and limit the look of pesky fine lines. To supercharge your results, couple the patches with the STYLPRO LED Device (sold separately).<br/>Clean and dry face. Unpeel a Sticky Patch. Stick to STYLPRO LED Device (sold separately). Peel off the plastic tab. Turn on the STYLPRO LED Device and press onto face. Wait 10 minutes. Peel LED Device off, leaving Sticky Patch on the skin. Leave on overnight or for 5+ hours.