网红辛巴自创品牌“棉密码”卫生巾，被曝检出超高含量致癌物！“一千万人在用”

Core Viewpoint - The brand "Mian Mima" is facing health concerns due to high levels of thiourea detected in its sanitary products, raising questions about consumer safety and product integrity [1][4][8]. Group 1: Brand Background - "Mian Mima" was founded by popular streamer Xin Ba in 2017 and is marketed as a product he personally developed, claiming to have one million users [3]. - The brand has become a star product on live-streaming platforms, achieving over 1 billion yuan in single-session sales and accumulating total sales of 3.33 billion yuan over eight years [4]. Group 2: Product Concerns - Multiple batches of "Mian Mima" sanitary napkins, including the "Tea Oxygen" series, have been found to contain excessive levels of thiourea, with one product showing a concentration as high as 16,653.4679 μg/g [1][5]. - Thiourea, a compound used in various industries, is classified as a potential carcinogen and poses health risks with long-term exposure [1][8]. Group 3: Testing and Findings - A consumer-led initiative resulted in testing where 7 out of 10 samples of "Mian Mima" products were found to contain thiourea, with specific products showing levels of 3,732.2022 μg/g and 3,201.9902 μg/g [4][5]. - An official report indicated that only one batch of "Mian Mima" did not contain thiourea, while others, including a medical-grade product, had significant levels [5][7]. Group 4: Industry Implications - Experts suggest that the presence of thiourea may be due to its low cost and potential use as a substitute for more expensive antioxidants like tea polyphenols, indicating possible industry-wide practices [4][8].