Sprays with hypertonic sea or saline solution are recommended in winter. Although they are weaker than decongestant sprays, they are not addictive. They also moisten the mucous membranes, making it harder for viruses to take hold. The active ingredient dexpanthenol, for example, is known for its moisturizing and regenerating effect on the mucous membrane.
Hypertonic nasal sprays
Learn more about hypertonic nasal sprays.