How to Use: 1.Brush and floss your teeth. 2.Dry your teeth with a tissue. 3.Twist the bottom of the pen clockwise(to the right) until a little gel flows from the gel chamber on to the brush. For first useyou may need more twisting. 4.Simle wide keeping lips away from your teeht. 5.Use even brush strokes to apply a thin layer of gel to each tooth. Do not apply gel to the gums. 6.Relax your lips after 30 seconds. 7.Avoid eating or dringking for 30 minutes after treatment. 8.Use twice daily until your teeth have reached your desired shade of white. 9.Be sure to replace the lid,to keep the serum from drying out. Store in a cool place preferably refrigerate. Specifications: Fragrance: Mint Efficacy: teeth whitening Applicable object: Adult Net content: 3ml-3g Package Included: 3 * Teeth Whitening Pen Only the above package content, other products are not included. Warm Tips 1. Due to different measurement methods, the goods will have a deviation of 1-3 cm, please confirm the accuracy before placing the order. 2. Due to different monitors and light, the picture may not reflect the actual color of the goods, please understand. 3. If you have any dissatisfaction with the goods, please contact us by email, we will give you a perfect solution at the first time. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store