Tips to use essential oils safely - Dilute the essential oils with vegetable oils to prevent any reaction. - Do a patch test before using essential oils. Observe for 24 hours. - Do not apply essential oils of nasal cavity, eyes, vagina and oral cavity. - For inhaling purpose, diffuse essential oils in well-ventilated area. - Avoid using essential oils during pregnancy. - Keep essential oils from reach of infants and children. - Avoid using very old (3 years +) essential oils. - Never use essential oils on rashes, cuts, itching spots or any other type of damaged skin. - Immediately consult your doctor in case of a reaction.