Listerine Stay White is specially formulated to keep teeth whiter. Zinc Chloride, the active ingredient in Stay White, fights staining by preventing tartar build up.
Used twice daily, Listerine Stay White is proven to kill up to 99.9%* of bacteria in the mouth; reduce plaque by up to 56% more than brushing alone; provide 24hr fresh breath protection; maintain healthy gums; and help keep teeth naturally white.
water, alcohol (21.6%), sorbitol solution, flavoring, poloxamer 407, benzoic acid, zinc chloride, sodium benzoate, sucralose, sodium saccharin, FD&C blue no. 1, eucalyptol, menthol, methyl salicylate and thymol.
Rinse full strength for 30 seconds with 20 ml (2/3 fluid ounce or 4 teaspoonfuls) morning and night. Do not swallow.