👉 Nasals are a type of oral hygiene product that is used to clean and protect the nasal passages. They typically consist of a gel-like substance, such as a paste or an oil-based mixture, that is applied to the surface of the nose and then left on for several minutes. The purpose of using nasals is to help prevent the growth of bacteria in the nasal passages and to keep them clean by removing any debris or mucus that may be present. Nasals are often used by people