As the peak of summer approaches, health experts are reiterating the critical importance of sun safety, specifically advising the public to seek shade between 10 a.m. and 4 p.m. when ultraviolet rays are at their most intense. When staying indoors is not an option, dermatologists emphasize the necessity of sunscreen, wide-brimmed hats, and UV-protective sunglasses to prevent skin damage and reduce the risk of cancer. However, the efficacy of these public health directives is increasingly being undermined by the rapid spread of medical misinformation on social media platforms, leaving many individuals confused about the safety and necessity of sun protection.
In a comprehensive study recently published in the medical community, researchers examined 971 TikTok videos tagged with popular sunscreen hashtags to determine how social media influence shapes public health behaviors. The findings revealed that 86.8% of the content analyzed was factually accurate and encouraged the use of sunscreen. Only a small fraction—roughly 6%—of the videos were entirely critical or discouraging of sunscreen use. While this majority of responsible content is encouraging, the researchers discovered a deeply concerning trend regarding the “virality” of misinformation: the negative videos, despite being in the minority, consistently garnered significantly higher engagement through likes, comments, and shares than the factual ones.
The narratives pushed by these anti-sunscreen influencers often rely on fear-mongering, claiming that chemical sunscreens are inherently toxic or carcinogenic. Some videos advocate for bypassing protective products entirely, suggesting that people should rely on natural alternatives such as beef tallow or the “ancestral” approach of deliberate, unprotected sun exposure. These influencers often justify their claims by romanticizing the habits of past generations, ignoring the fact that modern environmental factors and the prevalence of skin cancer have drastically altered the safety landscape for humans today compared to our ancestors.
The study addressed the roots of this skepticism, acknowledging that while some claims sound plausible, they are largely rooted in context-free information. For instance, a 2021 recall involving trace amounts of benzene in specific sunscreen batches gave fuel to critics, even though that issue was isolated to a few products and did not represent the safety profile of the sunscreen market as a whole. Experts are clear on the matter: both chemical and mineral sunscreens are rigorously tested and safe. Furthermore, the consensus among medical professionals is absolute: there is no scenario in which venturing into high-intensity sun without any form of protection is safer than using a chemical-based sunscreen.
The surge in this type of digital misinformation is largely attributed to the shift toward social media as a primary source of health guidance. Dr. Eboni Cornish of the Amen Clinics notes that while users appreciate the “cheap” and immediate access to information on platforms like TikTok—which eliminates the wait times and costs associated with doctor visits—they are trading convenience for significant risk. Patients are increasingly opting to listen to charismatic online personalities rather than medical doctors, inadvertently substituting professional medical expertise for dangerous, unverified theories.
Ultimately, the problem is fueled by the algorithms that govern our digital lives. Dermatologist Dr. Whitney Bowe explains that social media platforms are designed to reward content that is controversial, shocking, or fear-based, meaning that alarmist myths gain traction while evidence-based advice remains buried. While factual content makes up the bulk of educational material regarding sun protection, the “damage” is done by the small percentage of viral myths that successfully manipulate the platform’s algorithms. As summer settles in, the responsibility increasingly falls on users to verify their health information through board-certified professionals rather than the trending content on their feeds.