Frequently Asked Questions
Are Crest 3D Professional White Strips safe?
Yes, they’re enamel-safe and dentist-approved.
How long until I see results?
Noticeable whitening in 3 days, full results in 20.
Can I use them with sensitive teeth?
Most users report minimal discomfort—pause if sensitivity occurs.
Products containing more than 6% hydrogen peroxide are prohibited for sale as cosmetics in the EU & UK.

Crest 3D Whitestrips Professional Effects



