Colgate Optic White Overnight Teeth Whitening Treatment Pen whitens while you sleep.
Apply nightly to clean teeth for results in just 1 week. Use at night after brushing your teeth and right before going to bed. In the morning, brush teeth as usual.
Do not use while smoking. Keep out of reach of children. Do not use with children under the age of 6. Do not swallow. Avoid direct contact of the product with the gums and/or salivary flow. If irritation of the gums or mouth occurs, discontinue use and consult a dentist. Some people may experience tooth sensitivity or gum discomfort when using whitening products. This discomfort is temporary and not harmful. If you experience more than mild tooth sensitivity, stop use and consult your dentist.