Olbas for children 3 months is developed with essential plant oils such as cajeput oil clove oil mint oil eucalyptus oil and juniper oil to help immediately clear nasal congestion and relieve painful sinuses gentle formula for babies olbas for children is developed with a gentle formula to help gently clear blocked up noses and treat colds and flu catarrh hay fever and blocked sinuses it is safe to use for babies from 3 months onwards