We use a natural active ingredient of papaya extract with papain enzymes proven to safely dissolve stains without damaging the enamel. Medicinal Ingredients: Xylitol 20%, Calcium Hydroxyapatite 4.25%. Non-Medicinal Ingredients: Aqua, Calcium Carbonate, Sorbitol, Carica Papaya (Papaya) Fruit Extract, Mentha Piperita (Peppermint) Essential Oil, Menthol, Hydrated Silica, Malaleuca Alternifolia (Tea Tree) Leaf Oil , Glycerin, Coco-Glucoside, Xanthan Gum, Maltodextrin, Citrus Grandis (Grapefruit) Seed Extract. ENG: Brush teeth thoroughly, preferably after each meal, or at least twice a day, or as directed by a health care practitioner. Safe to swallow. FR: Brosser les dents à fond, de préférence après chaque repas, ou au moins deux fois par jour, ou tel que prescrit par un praticien en matière de soins de santé. Peut être avalé.