Isomar Nose & Ears Daily Hygiene Spray. Isomar Spray: It contributes to the daily hygiene and cleanliness of ear wax. It is useful in cases of colds and sinusitis. It is useful for people working indoors with dust.Isomar Daily Hygiene Spray, based on isotonic sea water, performs a fluidifying action and can be used both for nose and ears cleaning due to the presence of two nebulizers.