Brand from Japan: Nature Lab. Guiding you to achieve optimal oral health & beauty. We aim to develop your condident smile. Let us support your bright, beautiful smile. Minerals & phosphoric acid are incorporated into the enamel part & make the teeth whiter by increasing the density of the enamel. In addition, it keeps moisture with the phytocorage which is blended only in professional type collagen. How to use: Take an appropriate amount in a toothbrush & brush teeth & gums. After washing your teeth, rinse your mouth often with water.