The aromatic vapors of menthol, peppermint, cajeput, juniper, wintergreen, clove, and eucalyptol provide an immediate refreshing sensation when you need it the most. This is an effective option that you can feel good about using when you feel under the weather. Convenient, pocket-sized nasal inhaler. Aromatic vapors are present for a minimum of 3 months after first use. Directions: 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. For individual use only, since the use of this nasal inhaler by more than one person may spread infection. Use During Pregnancy: Although many expectant mothers have found great relief using the Olbas inhaler, we suggest you check with your doctor first before using any product during pregnancy.