On August 3, 2026, China's National Medical Products Administration (NMPA) issued Announcement No. 72 of 2026, , releasing two new complementary testing methods for cosmetics: Determination of Diclofenac Sodium in Cosmetics (BJH 202601) and Determination of Urotropin in Cosmetics (BJH 202602). Determination of Diclofenac Sodium in Cosmetics This method specifies the qualitative and quantitative determination of diclofenac sodium (CAS No. 15307-79-6), a commonly used non-steroidal anti-inflammatory drug (NSAID) ingredient, in cosmetics. It is applicable to liquid (water- and oil-based), cream/lotion, and gel cosmetic products. Determination of Urotropin in Cosmetics This method specifies the qualitative and
