A toothpaste with 100% natural ingredients born from the popular scallop shell developed by a dentist. By brushing your teeth every day, you can gently care for yellowing, tooth decay, and odors. Contents: 50g All ingredients: calcium carbonate, calcium oxide, sodium metasilicate * No abrasives are used. How to use: Wet your usual toothbrush with water, apply powder (a small amount / 0.15 to 0.2 g at a time), and then brush your teeth and gums. Finally rinse with water. It can be used more than 250 times with 50g. It is tasteless and odorless and has a natural feeling. Usage notes ・Keep out of direct sunlight, out of moisture, and out of reach of young children. (This product does not use any foaming agents, moisturizers, abrasives, surfactants, preservatives, etc., so please use it as soon as possible after opening.) ・Should you feel any abnormality, discontinue use immediately and consult a dermatologist. ・Should this get in your eyes, rinse immediately with cold or lukewarm water without rubbing. Shelf life: 4 years unopened. Since it does not use chemical substances, please use it as soon as possible after opening. Storage method: Store at room temperature, away from direct sunlight. Country of manufacture: Japan