Misinformation about Sunscreens on Brazilian Social Networks: A Risk to Public Health

This study examines the pervasive issue of misinformation about sunscreens on Brazilian social networks and its implications for public health. Despite the well-established effectiveness of sunscreens in preventing skin cancer, a growing wave of false information has been spreading across platforms like Instagram, Facebook and TikTok. This misinformation ranges from claims that sunscreens are ineffective to assertions that they are harmful and could even cause cancer. Such narratives are particularly dangerous in Brazil, where skin cancer is the most prevalent form of cancer due to the country’s high levels of ultraviolet (UV) radiation. The study aims to understand the origins and impact of these misleading messages, with a focus on the role of health professionals who, rather alarmingly, contribute to the dissemination of these falsehoods. Through a qualitative analysis of social media content, scientific literature and public health reports, this research identifies the key sources of misinformation and examines their potential to influence public behavior. The findings reveal that misinformation is often driven by conspiracy theories and a lack of scientific literacy among both the public and some health professionals. The study also highlights the critical need for enhanced media literacy education and stricter regulations on the dissemination of health-related content on digital platforms. The author argues that combating this misinformation is essential for maintaining public trust in evidence-based medicine and for ensuring that effective preventive measures, like sunscreen use, are widely adopted. The research concludes by advocating for international collaboration and robust public health campaigns to counteract the spread of harmful misinformation and protect public health in Brazil and beyond.