Amosan is an oral antiseptic rinse that is used to aid in the prevention of, as well as speed the recovery from canker sores, denture irritation, orthodontic irritation, and oral injuries or after dental procedures. It is sold as a powder customarily packaged in 1.7g envelopes, which are then reconstituted with warm water and used as a mouth rinse. The active ingredient in Amosan is sodium perborate monohydrate, which makes up 68.635% of the product by weight. The purpose of sodium perborate monohydrate is to act as an oral debriding agent and oral wound cleanser. Other ingredients in Amosan include L-Tartaric acid, sodium saccharin, and various flavors such as cherry, ginger, menthol, peppermint, and vanilla.
Positive aspects of Amosan include its effectiveness in aiding in the prevention of and recovery from oral injuries and procedures. It is also easy to use, as it comes in pre-packaged envelopes that can be easily reconstituted with warm water. Negative aspects of Amosan include its potential side effects, such as allergic reactions, and the fact that it contains borate, which the EU considers "carcinogenic, mutagenic, or toxic for reproduction". It is important to note that Amosan should not be swallowed.