Brand from Japan: Pieras. Propolinse launches new bottle products in collaboration with Sanrio Characters!This mouthwash works by solidifying and removing the source of bad breath.Principle of propolis:Bad breath is mainly caused by protein residue in the mouth.Plaque is a sticky, white substance, it forms when food particles attach to the tooth surface and bacteria grow on it.It is said that dental plaque forms about eight hours after eating.1 mg of dental plaque contains approximately 100 million bacteria, about 300 different types of bacteria.Bad breath occurs when these bacteria break down food particles and proteins.These proteins and other ingredients bind to the food, becoming visible and giving you a refreshing feeling.Contains ingredients that are beneficial to the oral cavity, which are carefully selected ingredients of Propolinse.It's formulated to bind to proteins in the mouth and is packed with ingredients that benefit teeth and mouth.Contains propolis extract, tea extract, mali