But are DIY teeth whitening treatments effective, and more importantly, are they safe?

How does teeth whitening work?

DIY gel whitening kits, however, do tend to work a little more effectively.

White teeth smile

However, when asked if these ingredients may help to lighten stains, dentist Dr. ## Is teeth whitening safe?

The Conversationasked five dental experts ifteeth whiteningis safe for achieving a brighter smile.

When asked byMetrowhether these DIY teeth whitening products are safe, Dr.

Woman in dentist chair

This means that some over-the-counter products could lead to damaged tooth enamel and increased rates of tooth sensitivity.

Teeth whitening kit