ChitoRhino is a unique (patent pending) nasal and sinus rinse. ChitoRhino is a soothing, ph-balanced saline solution infused with CHITOSAN. Chitosan is an ALL-NATURAL, completely biodegradable bio-polymer with CLINICALLY proven anti-bacterial, anti-fungal, and anti-inflammatory properties. contains: All-natural sea salt, USP sodium bicarbonate, chitosan, xylitol.