Sterile, isotonic solution , buffered with physiological pH, helps fluidification and removal of excess mucous. Enriched with hyaluronan, a natural viscoelastic polymer with  ideal  moistening and softening proprieties,  improves passages  moisture in case of dryness  , cold irritation, dust or pollen  . Relieves rhinitis, sinusitis and allergies symptoms . Maintains the physiological condition of delicate mucous membranes, as those of children and elderly.