Answer
Yes. Contact dermatitis and other allergic reactions have been reported. Stop using it if a rash develops; call 999 for breathing difficulty or sudden swelling of the mouth, tongue or throat.
Sources for this answer
- Care Tea Tree Oil 100% / Natures Aid Tea Tree Oil 100% — Current selected SmPCemc · Summary of Product Characteristics
- NHSNHS · NHS medicine guidance
General medicine information. Follow the instructions for your own medicine and speak to a pharmacist or clinician about your individual circumstances.