Professional Grade Whitening: Achieve a brighter, whiter smile day and night with our advanced teeth whitening pen, perfect for everyday use. Convenient Refill Pack: Includes 4 pens for extended use, ensuring your smile stays radiant whether at home or on travel. Gentle on Sensitive Teeth: Formulated for sensitive teeth, our gel provides effective whitening without discomfort, ideal for daily and morning routines. Instant Stain Removal: Say goodbye to stubborn stains with our quick-acting whitening formula, perfect for maintaining a bright smile in any scenario. Perfect after-sales : We provide perfect after-sales, you have any questions can ask on the platform, we will reply you within 24 hours, to provide you with the perfect shopping experience.