Antimicrobial gels for creating a protective barrier against microorganisms in the nose, for rinsing and cleaning the nose, for relief of nasal irritations and sinus conditions; paper and plastic swabs for medical use; and kits comprised of the foregoing, namely, antimicrobial gels for creating a protective barrier against microorganisms in the nose, nasal cleansing and rinsing, and relief of nasal irritations and sinus conditions and nasal applicators, namely, paper and plastic swabs impregn...