Use these BlanX whitening trays to make your teeth up to 4 SHADES WHITER in only 5 DAYS. With a treatment time of just 10 minutes, our exclusive BlanX Oâ‚ƒX formula releases the oxygen power that removes stains and ensures professional whitening results at home. Youâ€™ll find the thin, flexible design fits perfectly onto dental arches of all sizes, while the pre-filled trays whiten both the front and back of your teeth. And because BlanX Oâ‚ƒX is non-abrasive, it is delicate on your gums and enamel. BlanX whitening trays are safe, effective and clinically tested, not to mention 100 % vegan and cruelty-free - so smile. Things are about to get a whole lot brighter."