Saline, i.e. a solution of 0.9% NaCl, is widely used, m.in. in washing the eyes, rinsing the nose, cleaning wounds, inhalations, and even administering some inhaled or injectable drugs. In pharmacies, you can get it primarily in the form of single ampoules.
Saline - for inhalation, nebulization, wound cleansing, rinsing of eyes, nose and ears
