Function:It could remove the stains resulted from smoking and drinking tea in a more effective way, and make your teeth white and glare. A healthy alternative for whiter teeth and gums without toxic ingredients, fluoride or bleach. Safely cleans and polishes teeth, strengthens enamel, improves gum health and freshens breath. Removes coffee, tea, wine and tobacco stains, naturally! Safety Formula:The formula could whiten the teeth in depth, prevent the teeth stains from forming again,and maintain the whitening effect for a long time. The products are made with natural, plant-based and/or organic ingredients and never include harsh chemicals. Usage: 1.Make toothbrush slightly wet. 2.Remove excess water from brush. 3.Dip brush into the charcoal powder. 4.Dab off excess powder (a little goes a long way). 5.Brush teeth like normal, for 1-2 minutes. 6.Rinse mouth thoroughly to remove the charcoal. Spit directly into the sink and use water to keep the sink clean.