Features of instant Teeth Whitening Pen:\r\n1. Intimate Whitening Pen Nozzle Design\r\n2. Safe to Use, Easy to Carry \r\n3. 35% concentration of Fairywill whitening pen gel can effectively and quickly remove the residual coffee, tea, wine and smoke stains\r\n4. Combine sponge for deep physical cleaning and teeth whitening achieve a double rapid whitening of the teeth\r\nTeeth Whitening Pen for teeth Usage Information：\r\n1.Brush and floss your teeth.\r\n2.Remove the cap and twist the bottom of the pen until gel appears in the brush tip. You may need to twist moretimes for the first usage.\r\n3.Make a big smile to keep your lips away from your teeth; make sure your teeth are dry enough for moving to the next step. \r\n4.Brush with a small amount of gel on each tooth.Do not apply the gel to your gums.\r\n5.Relax your lips after 60 seconds, after 15 minutes the gel will dissolve by its own.\r\n6.Rinse your mouth, the stains or plague may dissolve after using the teeth whitening pen, you can use our \"Bonus\", teeth wipe to wipe away the stains or plague after that.\r\n7.Repeat using the teeth whitening pen in 2 times a day. \r\n8.Do not eat or drink until 1 hour later.