On June 6, 2025, the European commission public health published the Scientific Committee on Consumer Safety (SCCS) Scientific Opinion on Tea Tree Oil. SCCS concluded that Tea Tree Oil (TTO) safe for use as an anti-seborrheic and anti-microbial agent in dermally applied cosmetic products at the following maximum concentrations:
- 2.0% in shampoo
- 1.0% in shower gel
- 1.0% in face wash
- 0.1% in face cream
This conclusion applies only if:
- The TTO used complies with ISO 4730:2017.
- The product is not aerosolized or sprayable, to avoid inhalation exposure.
If you have any questions or concerns regarding the SCCS scientific opinion on tea tree oil, please reach out to the CA Team at regulatory@cosmeticsalliance.ca.






