THCH, which was previously unregulated in Japan, has been classified as an "illegal substance" starting from August 4th, except for medical use.
On July 25, 2023, the Ministry of Health, Labour and Welfare (MHLW) of Japan issued an announcement, stating thatΔ8-THCH and Δ9-THCH would be classified as designated drugs. Therefore the manufacturing, import, sale, possession, and non-medical use of these designated drugs will be strictly prohibited. This announcement came into effect on August 4, 2023.
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Under the current regulatory framework, cosmetics registrants and notifiers can continue to submit a simplified version of the safety assessment report during the registration or notification process until May 1, 2025. Following this deadline, a full version of the safety assessment will be mandated. To facilitate a smooth transition, China is planning to release a set of technical guidelines.
The current cosmetic technical standard STSC 2015 specifies the cosmetics' general safety standards, prohibited/restricted/permitted ingredients and testing methods. It is revised aperiodically in response to changing trade practices in the industry. China is planning to issue a new version of STSC.
