Wash Your Nose Day is observed annually on March 11 in the United States, promoting the importance of nasal hygiene. Established by Xlear, a company specializing in xylitol-based sinus and dental care products, the day encourages individuals to wash their noses as a vital aspect of personal hygiene, akin to washing hands and faces. The practice involves nasal washing, which helps flush out mucus, bacteria, and other unwanted debris from the nasal cavity, thereby enhancing breathing and overall nasal health. This personal hygiene activity is particularly effective for treating colds and sinusitis. Participants can perform nasal washes using saline solutions and various tools like squeeze bottles, bulb syringes, or neti pots. The initiative aims to raise awareness about the benefits of maintaining nasal health, especially in light of the COVID-19 pandemic.