Natural Olbas vapors provide a pleasant, refreshing, and cooling sensation to your nasal passages. Especially beneficial during times of seasonal discomfort, low humidity and other unwelcome nasal encounters. Fast-acting, penetrating vapors provide an immediate, fresh, clean feeling in the nose, sinuses and lungs. Menthol, Oils of Peppermint, Cajeput and Eucalyptol Adults and children 2 years of age and older: 1 or 2 inhalations in each nostril as often as needed. Children under 2 years of age: consult a physician.