Group 1 - The article highlights the illegal practices in the beauty industry, particularly regarding the use of Class II medical devices for injection, which are not approved for such procedures [1][4][24] - Several medical institutions, including Guangdong Hanfei Plastic Surgery Hospital and Jiyuanxi Medical Beauty Clinic, mislead consumers about the safety and classification of their products, promoting Class II devices as safe for injection [6][16][26] - The investigation reveals that unauthorized beauty salons and studios are openly providing injection services without proper medical qualifications, using smuggled and unapproved products [29][33][49] Group 2 - The report details specific instances where medical professionals and institutions provided injections of products that are not legally permitted for such use, including the "Silk 516" and "Lizhulan" products [7][18][24] - The article also discusses the role of social media platforms like Xiaohongshu in facilitating the promotion and sale of these illegal beauty products, allowing unlicensed practitioners to connect with customers [44][56] - The investigation uncovers a broader issue of counterfeit and unregulated beauty products flooding the market, posing significant risks to consumer safety [38][41][47]