How Long Does the Procedure Last?

The in chair whitening product it gives you an instant white smile, however diet such as smoking, staining products like soy sauce, curries, they can all reduce the whitening effect.

So as long as you limit those intake of staining products the whitening procedure should last a long time, you could always use the take home whitening products too increase the duration of the Whiter Brighter Smile that you get from the in chair whitening.