THE WHAT? The European Union’s Scientific Committee on Client Security (SCCS) has issued its remaining opinion on Tea Tree Oil (TTO), confirming restricted safe-use concentrations throughout 4 adult-only beauty classes and outlining new concerns linked to ingredient stability and up to date ISO requirements.
THE DETAILS Printed on 14 November 2025, the SCCS’s remaining evaluation largely mirrors its June draft however introduces notable clarifications. The committee concludes that TTO can be utilized safely as an anti-seborrheic and anti-microbial ingredient at concentrations as much as 2.0% in shampoo, 1.0% in bathe gel, 1.0% in face wash, and 0.1% in face cream, offered the oil complies with ISO 4730:2017 specs and is used solely in grownup, non-aerosolised codecs to keep away from inhalation publicity. The SCCS reiterates that TTO is a reasonable pores and skin sensitiser and flags the absence of stability information, noting the oil’s susceptibility to degradation by way of gentle, warmth, air and moisture. It stresses that completed formulations should preserve TTO composition inside ISO limits and highlights the relevance of the forthcoming ISO 4730:2025 revision addressing enantiomeric parameters. Environmental security falls outdoors the SCCS mandate and was not evaluated. Individually, the International Beauty Ingredient Regulatory Database (International CosIng) notes that TTO is listed in key regulatory inventories worldwide, together with China’s IECIC.
THE WHY? The opinion offers readability for formulators and types utilizing Tea Tree Oil, defining acceptable focus limits whereas underscoring the necessity for sturdy stability controls to make sure regulatory compliance.
Supply: European Fee
