Colo inhaler is an herbal preparation that provides a pleasant refreshing and cooling sensation to nasal passages. It is beneficial during times of seasonal discomfort low humidity and other unwelcome nasal encounters. Its Fast-acting penetrating vapors provide an immediate fresh clean feeling in the nose sinuses and lungs. It helps to ease breathing and provides relief from a stuffy nose. Directions for use: 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. Use under medical supervision.