White Birch Charcoal Whitening Toothpaste has been through extensive clinical testing and the results show that it has low abrasiveness and superior efficacy. Surveyed users also appreciate its natural formulation, easy flip-top tube dispenser, and the squeaky-clean user experience that black charcoal toothpastes cannot ever deliver. In recent studies, the toothpaste was found to have a relative dentin abrasion number of only 45, which is 50% lower than most whitening toothpastes (which can range from 100-250). The lower the abrasivity, the less chance there is to scratch and / or damage the enamel. WHITE BIRCH CHARCOAL WHITENING TOOTHPASTE can be used twice daily About the product WHITE ACTIVATED CHARCOAL - Extracted charcoal from the White Birch Trees in Japan that are known for their strong whitening capabilities. PATENT PENDING PROCESS - Through our patent pending formulation process, this is the only WHITE activated charcoal toothpaste of its kind on t...