Application of tea tree oil to the skin can cause an allergic reaction. Tea tree oil has caused more documented allergic reactions than any other form of essential oil. Adverse effects include skin irritation, allergic contact dermatitis, systemic contact dermatitis, linear immunoglobulin A disease, erythema multiforme-like reactions, and systemic hypersensitivity reactions.
For external use only. Do not use undiluted on the skin. Avoid contact with sensitive areas, such as eyes. Keep out of reach of children. Do not use essential oils on children under 5 years old. Consult your healthcare professional before using essential oils during pregnancy. Best kept in a cool dry place. Naturally occurring allergens: Limonene.