Core Viewpoint - L'Oréal has recalled all batches of its Effaclar Duo acne treatment product in the US due to the detection of trace amounts of benzene, a recognized carcinogen, although the recall does not affect the Chinese market [1][2]. Group 1: Product Recall Details - The recall is limited to the US and Canada, with L'Oréal confirming that the product containing benzoyl peroxide (BPO) is not sold in China [1]. - This incident marks the second occurrence of benzene-related issues for L'Oréal products this year [1]. Group 2: Product Composition and Safety - The main ingredient in Effaclar Duo is benzoyl peroxide, which can lead to the formation of benzene due to its instability [1]. - The National Medical Products Administration of China has prohibited the use of benzoyl peroxide in cosmetics since May 2021 [1]. Group 3: Consumer Safety Commitment - L'Oréal has stated its commitment to consumer safety and has been working closely with the FDA to address the issue [2]. - The company has faced multiple class-action lawsuits in the US regarding other BPO acne treatment products, but maintains that all its products undergo strict quality control and safety testing [2].