Colgate Optic White Overnight Teeth Whitening Pen Gel - 0.08 fl oz/21 Treatments: Sugar-Free, Gluten-Free, Vegan

A: Thanks for your question. We do not disclose exact levels of hydrogen peroxide. All of our products are enamel-safe and designed for no tooth sensitivity when used as directed.

A: The Optic White Overnight Whitening Pen has not been tested with overnight mouthguards/aligners. We recommend discussing it with your dentist before using.

A: Hi there! Thanks for reaching out. We recommend avoiding staining foods and drinks during and between treatments. If you have any questions or concerns, please give us a call at 1-800-468-6502 (Monday-Friday, 9:00 AM - 5:30 PM EST).

A: Wonderful question! Yes, this product can remove 15 years of stains when used as directed. However, if staining foods and drinks aren't avoided during or between treatments, you may not see the expected results.

A: Hi there. Our Optic White Overnight Whitening Pen was not designed to whiten these types of restorations, just real teeth. But don’t worry—it won’t damage your dental work.

A: Hi there, we recommend brushing with toothpaste and then rinsing with water. We also wanted to let you know that this product should not cause burning whatsoever. If that occurs please call us at: 833-862-9251.

A: Thanks for your question. Our Optic White Overnight Teeth Whitening Pen is designed to remove dental stains. Please consult your dental professional to see if this is the best option for you.

A: Hi, and thanks for your question. The expiration date for our Optic White Overnight Teeth Whitening Pen is 18 months from the date of manufacture, and the first opening of the pen. We hope this helps.

A: Hi, and thanks for the question. After the serum dries you can, but you should to to refrain from drinking or eating until after the process is complete for the best results. We hope this helps.

A: Yes! The instructions would be located on the inside of the box.