It is perfect for protect lips and gums from drying and discomfort during teeth whitening. The Vitamin E swab is disposable,Convenient,sanitary and easy to use. It also can be applied to gums following the teeth whitening session to alleviate any irritation or sensitivity. Read more Crack open one side, and the Vitamin E dispenses out the other end. Rub the swap onto lips or gums. Use it every night before sleeping, it can be long-lasting moisturizing deeply and protects dry lips all night . Suitable for professional and home use. Read more