Gifrer Spray Isotonique Physiologica 100 ml - Physiologica's Isotonic Sea Water solution is designed for nose washing: it is ideal for washing and moisturizing the nasal cavities of infants, children and adults. Physiologica Isotonic Sea Water represents an aid in maintaining or restoring physiological balance of the mucous membranes. It is recommended in the following cases: - hygiene of the mucous membrane (pollution, dry air, air conditioning, dust ...) - prevention of drying - stimulation of sneezing. It can be used over a long period of time (for prevention or daily hygiene).