作者｜商业消费主笔 黄青春 题图｜视觉中国 这次，辛巴算是踩中"雷区"了。 上周，网红辛巴因自创卫生巾品牌"棉密码"被质疑致癌在微博热搜挂了三天，争议随着广州市白云区 卫生健康局逐级上报、拟进一步调查暂告一段落——但由此引发的卫生巾信任危机却愈演愈烈。 以下文章来源于黄青春频道 ，作者黄青春Youth 黄青春频道 . 看清流量迁徙的切面 出品｜虎嗅黄青春频道 毕竟，6月末，黄子韬自创卫生巾品牌"朵薇"才因含不明黑色异物被推上热搜；再往前，市面上销售 的大牌卫生巾也乱象频出——从 pH 值超标到检出荧光增白剂，从使用黑心棉到虫卵事件、甲醛超 标，卫生巾问题一再挑破网友的心理防线。 大家愤怒的是：为何女性贴身使用的卫生用品，连基本的安全保障都做不好？ 辛巴缘何再"翻车"？ 此次辛巴"翻车"，导火索始于《新京报》公布的一项调查。 有消费者集体送检了一批"棉密码"卫生巾产品（涵盖 2019 年 9 月至 2025 年 1 月生产的多批次样 品），10 份样品中有 7 份检出硫脲；其中，棉密码茶氧夜用卫生巾、棉密码茶氧日用卫生巾、棉密 码樱花·舒缓型迷你卫生巾的硫脲含量分别高达 3732.2022μg/g、3201.9 ...

Core Viewpoint - The sanitary napkin brand "Mian Mi Ma" created by influencer Xin Ba has come under scrutiny due to allegations of containing carcinogenic substances, leading to significant public concern and media attention [1][4][10]. Company Overview - "Mian Mi Ma" is a self-owned brand under Xin Xuan Group, founded by Xin Ba in 2017, claiming to have over 10 million users and a cumulative sales figure of 3.33 billion yuan over eight years [10]. - The brand's official store on Douyin indicates it specializes in sanitary napkins and related products, with its parent company being Guangdong Mian Mi Ma Health Technology Co., Ltd., fully owned by Guangdong Xin Xuan Holdings [10]. Product Safety Allegations - Reports indicate that multiple batches of "Mian Mi Ma" sanitary napkins have been found to contain high levels of thiourea, a substance classified as a potential carcinogen by the International Agency for Research on Cancer [12][15]. - A specific product, the "Mian Mi Ma Sakura Comfort" sanitary napkin, was reported to have a thiourea content of 16,653.4679 μg/g, significantly exceeding acceptable limits [12]. - Consumer feedback has linked the use of these products to various health issues, including thyroid cancer and reproductive health problems, although direct causation remains difficult to establish [15]. Regulatory and Industry Context - The sanitary napkin industry has faced numerous quality control issues, with past incidents involving foreign objects and misleading product claims [17][19]. - The lack of stringent regulations regarding the use of harmful substances in sanitary products has raised concerns about consumer safety and product standards [17][25]. - The recent implementation of the national standard GB15979-2024 aims to address some of these regulatory gaps, specifically prohibiting the addition of banned substances like thiourea [16]. Market Dynamics - The sanitary napkin market in China is projected to reach 86.71 billion yuan in 2024, reflecting a growth of 23.3% from 2023, indicating a robust demand for female hygiene products [22]. - The low entry barriers in the sanitary napkin industry have attracted various new players, including celebrities and influencers, leading to increased competition but also potential risks regarding product quality [21][22]. - Despite the challenges, the influx of new brands may drive existing companies to improve their product quality and safety standards [25].