With a base of natural sea water and a patented complex, this innovative formula, enriched with sea minerals, unblocks nasal passages and encapsulates, inactivates and neutralises the allergens. Putting a stop to symptoms fast. Sterimar Stop and Protect Allergy Response also provides long-lasting hydration and forms a protective and invisible film, preventing allergens from coming into contact with the nasal cavity to provide reinforced effective protection against further allergic reactions and chronic conditions developing.