GB/T 22731—2022 Fragrances Compound was implemented in July 2024. For the first time, it prohibits the use of 2-(4-tert-butylbenzyl) propionaldehyde (BMHCA) in cosmetics categorized as Type 1 and 6. The global research on its reproductive toxicity is also increasingly in-depth. Therefore, the standard limits and requirements for this substance imposed by key countries and regions both domestically and internationally were outlined, as well as its application in relevant fields in China. The current status of its detection were analyzed and research, and puts forward relevant research and development suggestions were put forward.