It's Lit has been designed to provide precise application to teeth, so you can avoid the gums.
The formula is also specially designed to minimize the risk of sensitivity, with a low peroxide concentration and slow-release technology.
To minimize irritation, try to avoid contact with your gums.
Some people may experience tooth sensitivity or gum discomfort when using whitening products.
This discomfort is temporary and not harmful.
If significant tooth sensitivity or gum discomfort develops and persists after use, talk to your dentist or physician before continuing use.