Three gold watermelon frost. According to what is worth buying online, we learned that Sanjin Watermelon Frost Toothpaste is the most authentic and authoritative watermelon frost toothpaste and is listed as a National Geographical Indication Protected Product by the General Administration of Quality Supervision, Quarantine and Inspection. Sanjin Watermelon Frost Toothpaste contains a national secret formula, rich in several amino acids and trace elements, which can quickly eliminate inflammation. It will target the "fire source" of the oral cavity and focus on the "fire syndrome" to "extinguish the fire" from the root, from the outside to the inside. Solve oral problems.