Listerine Bright White gives you 2x more whitening than brushing alone after 2 weeks. With a unique multi-action whitening formulation containing lemon and salt that: Helps lift stains from teeth. Helps form a protective shield against stains. Helps keep teeth whiter for longer. Non abrasive whitening with fluoride to help strengthen teeth 2x more whitening than brushing alone after 2 weeks. For whiter smile use Listerine Bright White. Ever wondered why you need to incorporate mouthwash as part of your oral care routine? Brushing and flossing alone only reaches 25% of your mouth. Incorporating Listerine as your third step helps to kill germs in the remaining 75% of the mouth and can help reduce plaque to help provide that long-lasting fresh breath.