?DIRECTIONS: 1) Brush teeth and floss. 2) Twist pen to dispense gel. 3) Smile wide to keep lips away from teeth. 4) Dry teeth, the drier teeth are, the better results. 5) Apply a thin layer of gel to teeth (keep off gums) 6) Rinse after 30 minutes. ?Easy to carry: The two-pack of peppermint teeth whitening pens is 125mm(4.9 inches) in length, light in weight, and easy to conceal in any bag. Take your white smile with you, anywhere you go!. ?Get impressive results: The carbamide peroxide and hydrogen peroxide blend safely penetrates your enamel to get to discolored molecules. The discolored molecules begin to break down and with continued use everyday, the gel will leave your teeth up to 10 shades whiter in just 10 days. ?A carbamide peroxide and hydrogen peroxide blend penetrates your enamel to get to discolored molecules. Oxygen molecules from the whitening agents react with the discolored molecules in your teeth, breaking the bonds that hold them together. This results in a whiter, brighter smile. ?Sensitivity-free: Our gel is fresh to order and formulated with potassium nitrate to provide a sensitivity-free whitening experience. ?Get professional results at home! This pen teeth whitening gel will have your teeth whiter and brighter after just one use. This duo pen will last you all month! Take them anywhere! The teeth whitening gel is super effective and efficient with every use! Most people notice results after their first treatment, and daily use will remove all surface stains within 10 days.