In addition, research was carried out on the antioxidant properties of Syringin, a phenylpropanoid with great cytotoxic potential (a substance with a toxic effect on a certain cell, used on tumor cells). (For more information consult Pub Med: "Chemical Profile, Cytotoxic Activity and Oxidative Stress Reduction of Different Syringa vulgaris"). Not for use during pregnancy, with the elderly, infants, or if epileptic. Possible skin irritant in some individuals; dilute well.
Do not take any oils internally. And do not apply undiluted essential oils, onto the skin without advanced essential oil knowledge or consul. Tation from a qualified aromatherapy practitioner.
If you are pregnant, epileptic, have liver damage, have cancer, or have any other medical problem, use oils only under the proper guidance of a qualified aromatherapy practitioner. Use extreme caution when using oils with children. Consult a qualified aromatherapy practitioner before using oils with children, the elderly, if you have medical issues or are taking medications.