Hello. Thank you for visiting our store, we buy things in a licensed pharmacy in the European Union. As enamel wears away or gums recede, dentin is exposed to the environment. This can cause pain in sensitive teeth, for example, when in contact with hot or cold food or drink. Ingredients Aqua, Sorbitol, Hydrated Silica, Glycerin, Potassium Nitrate, Cocamidopropyl Betaine, Aroma, Xanthan Gum, Titanium Dioxide, Sodium Fluoride, Sodium Saccharin, Sodium Hydroxide, Sucralose, Limonene. Saturated sodium fluoride 0.3152% w/w (1426 ppm fluoride). Dosage Use 2-3 times daily instead of regular toothpaste. Children under 7 years of age should brush their teeth only under adult supervision, using a pea-sized amount of toothpaste on the toothbrush to reduce the risk of choking. If you use other flora-containing pastes, consult your doctor before use.