Core Viewpoint - The article highlights the risks associated with the illegal use of Epidermal Growth Factor (EGF) in cosmetic procedures, leading to severe complications for patients who seek aesthetic improvements through unregulated injections [1][2][17]. Group 1: EGF and Its Risks - Epidermal Growth Factor (EGF) is a peptide that promotes cell proliferation and is primarily used for wound healing, but its injection into facial tissues can cause uncontrollable tissue overgrowth, leading to deformities and other complications [2][17]. - The Chinese National Medical Products Administration has explicitly prohibited the use of EGF in cosmetic products and injectable medical beauty projects since January 2019 [1][17]. - Many patients, like Wang Yan and Li Meng, have experienced severe adverse effects after receiving EGF injections, including persistent swelling, hard lumps, and facial deformities [10][12][13][25]. Group 2: Illegal Market Dynamics - Despite the regulations, EGF is still marketed illegally as a high-end beauty product, often under various names and sold through informal channels, including social media and unlicensed beauty salons [2][15][18]. - The underground market for EGF involves a complex distribution system where products are repackaged and sold at inflated prices, with costs as low as 20 yuan per gram for the raw material, while retail prices can reach thousands of yuan [20][22][23]. - Many beauty practitioners mislead consumers by claiming that EGF injections are safe and effective, despite the lack of regulatory approval for such uses [17][18][21]. Group 3: Regulatory and Legal Challenges - The article emphasizes the need for stricter regulatory oversight and public awareness to combat the illegal use of EGF in cosmetic procedures, as many consumers remain unaware of the risks involved [27][28]. - Legal recourse for victims of illegal injections is often complicated, with many facing difficulties in obtaining compensation due to the lack of evidence and the disappearance of the practitioners involved [27][30]. - Experts call for enhanced collaboration among regulatory bodies to effectively address the illegal distribution and use of EGF in the beauty industry [27][30].