展开- POPWHITE's 2-in-1 Teeth Whitening Pen Duo Pack is peroxide free, charcoal free, fluoride free, sulfate free and clinically proven to be sensitivity free. POPWHITE is PETA certified as cruelty free and vegan. - Compact and portable whitening pen makes it effortless to whiten your teeth at home or on the move. Simply twist the bottom of the pen to expose the whitening gel and paint onto each tooth to whiten in under 1 minute. No trays, molds, dentist visits or mess to deal with! - Innovative clear tube design allows you to see exactly how much whitening gel is being used and is left in the pen. - Breaks down and removes stains on the surface of the teeth from coffee, wine, soda, tea, smoking and more! Pen includes 20 whitening treatments and gel comes in a cool, mint-flavor for a refreshing smile every time. - Use this pen 1-2 times per day. See visible results after just a few treatments and get 4-8 shades whiter with consecutive use. Perfect for removing years of stains or maintaining your already bright and beautiful smile!