2pcs EELHOE Whitening Mouthwash Clean Stains Oral Care Fresh Breath Mouthwash Our brightening mouthwash contains purified water， xylitol， peppermint extract and more. The ingredients it contains help make teeth whiter and reduce yellow teeth and tartar. Reduce the acidity of saliva， reduce the corrosion of teeth caused by tartar accumulation， promote the remineralization of teeth and reduce the occurrence of tooth decay. How to use it is simple: 1. Take a cup of mouthwash and put it in your mouth. 2. Gargle for about 20 seconds and then spit out. 3. Daily use can achieve better results. It provides protein and protects tooth enamel， whitens teeth， teeth as bright as pearls， removes stains from teeth Farewell to black and yellow teeth， with a fresh mint aroma， and makes your breath more fragrant.