Laboratoires Quinton International SL sell "Nasal Sprays"

This nasal spray line uses high-quality microfiltered seawater delivered via a microdiffusion system for even application, a bag-on-valve design that keeps seawater from contacting the container or propellant, and a multi-position diffuser for easy use; it is 100% natural, preservative-free, and hypoallergenic. Nasal Health is an isotonic (0.9%) solution for daily washing that removes allergens, microorganisms, and contaminants, improves breathing, and hydrates the mucosa with minerals; Nasal Health Plus is a hypertonic (2.1%) version that naturally relieves congestion from flu, severe colds, catarrh, allergic rhinitis, rhinopharyngitis, and rhinosinusitis; and Nasal Health Baby is an isotonic (0.9%) solution with a pediatric applicator-diffuser for safe daily nasal washing in children.