No time to dedicate to teeth whitening? Consider the Crest 3DWhite Teeth Whitening Pen! With its precise applicator, it's convenient for quick touch-ups on the move. This enamel-safe pen is designed for daily use, with optimal results achieved by applying it twice a day for 14 days. Formulated with the same whitening ingredient trusted by dentists, it effectively eliminates surface stains. Whether in your bag, bathroom, or travel kit, keep this compact pen handy for daily, on-the-go whitening. Each package contains one 4 mL (0.13 FL OZ) Teeth Whitening Pen, ensuring convenience and effectiveness with every use.