EverSmile WhitenFresh is a patent pending cleaning, freshening & tooth whitening foaming spray that also kills bacteria that cause bad breath and tooth decay. It comes in a refreshing spearmint flavor. WHITENING WHEN YOU NEED IT - Removes Coffee, Wine, Tea & Tobacco Stains. Whether you just had a cappuccino or you’re about to make a first impression, WhitenFresh uses only 3.8% hydrogen peroxide to whiten your teeth with virtually no tooth sensitivity. WHEN YOU CAN’T BRUSH, WHITENFRESH - Eliminates Odor Causing Molecules. So Get Closer. Unlike other breath sprays or mints that only mask bad breath, WhitenFresh with hydrogen peroxide targets the underlying cause of bad breath in one single spray. 0.35 FL OZ, 10ml solution.