Sterimar Stop & Protect Cold and Sinus Relief encapsulates, inactivates and rapidly helps neutralise viruses and bacteria and fights their proliferation. It also strengthens the barrier function of the mucosa by forming a protective film against new attacks. Sterimar Stop and Protect Cold & Sinus Relief. Decongests immediately, neutralises viruses & bacteria and fights infections. Contains natural sea minerals. Nasal pump and Preservative free. Anti-contamination valve. Exclusive patented complex.