Herb and Okinawa Sea Salt It is a concentrated soft drink for the cooling of the mouth of 100%. It is a refreshing medicine that is safe to attach mouthwash which is effective for the prevention of a cold. Preservative · synthetic fragrance not added. Since raw materials are only herbs and salt, it is okay to drink. You can use from small children to elderly people. It is convenient for carrying around, so when you are concerned about bad breath or when your throat is strange you can use it anytime anywhere.