Taking on heavily advertised market leader Navage in the sinus irrigation appliance category, upstart NasalFresh MD has partnered with TV host and comedian Howie Mandel for its first major campaign.

Nasal rinse, or nasal irrigation, is done to clear the nasal passages. Sometimes, the nasal passage can be full of mucus, allergens, and irritants, which can lead to discomfort. In such cases, nasal ...