SJ Watermelon Frost Breath Freshener Spray is a fragrant powder that's used to treat mouth sores and canker sores, as well as nasal congestion. Many people swear by this remedy. It is used in treating sore and/or swollen throat, hoarse voice, and ulcers of the mouth, tongue and gums. Applicable in acute and chronic pharyngitis, tonsillitis, inflammation of the oral cavity, and painful and swollen gums.\n\nClearing the voice, Moistening the throat. Cooling and opening nasal passages. Swollen gums，Sore throat， sores on the tongue，mouth ulcers