Are Whitening Strips and Trays Safe? Here’s What You Should Know

Teeth whitening is one of the most requested cosmetic treatments in Canada. Over-the-counter whitening strips and trays are popular because they seem quick and convenient. But the question remains: Are whitening strips and trays safe for your teeth?

The short answer: they can be safe when used properly—but they’re not risk-free. Understanding how these products work and their limitations will help you make the best choice for a brighter, healthier smile.