TheraBreath Dazzling Mint Whitening Rinse is gentle on teeth but tough on unsightly stains. This breakthrough whitening rinse fights stains three different ways 1. It attacks discoloration with solubilizers that loosen stains. It contains natural enzymes that work with your saliva to dissolve stains 3. It contains an oxidizer to whiten your teeth. As powerful as it is gentle, TheraBreath Whitening Rinse has been demonstrated to help remove the stains from your teeth other whitening products may miss. In addition, TheraBreath Whitening Rinse forms a protective barrier that helps resist new stains. You can keep your dazzling smile all day long, as it defends against common sources of stains like coffee, tea, and wine. All while freshening your breath. Like our many other highly effective and well-reviewed products, TheraBreath Whitening Rinse is dentist formulated to work without harsh chemicals. Gentle to use every day, our rinse is formulated without peroxide commonly found in many whitening products that can sometimes lead to tooth sensitivity and discomfort.