Sterimar Mn Seawater Is A Seawater-Based Nasal Solution Enriched With Manganese That Cleans And Strengthens The Nasal Passages. The Presence Of Manganese In The Composition Of This Nasal Solution Helps The Body To Defend Against Allergens, Since It Naturally Reduces The Release Of Histamine, Which Is The Chemical Element Responsible For The Allergic Reaction. Having Sterimar Mn Seawater Is Especially Necessary During Spring Or Summer For Those Allergic People Whose Nose Becomes More Sensitive, As Their Nasal Passages Fill Up With Pollen, Pollution Or Mites, In Addition To The Other External Agents That Affect Our Nostrils Every Day: Dust, Pet Hair Etc. Help Clean Out The Nostrils!