Lanbena Teeth Whitening Mousse - 60ml Please Read Instructions Carefully Effects: Removes The Stains Resulted From Smoking And Drinking Tea Or Coffee In A More Effective Way, Whitens Yellow Teeth Completely And Sweeps Away Plaque For A Full Clean-Mouth Experience. 01.Squeeze proper amount of foam into your mouth, balloon your cheeks to make the foam flow over your oral cavity and gingiva; spit the foam out in 10 – 15 seconds and you will feel that your mouth is refreshed instantly 02.Squeeze proper amount of foam on your toothbrush. Gently brush your teeth and coated tongue for 2 – 3 minutes for cleaning and refreshing