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Why Anti-Sunscreen Content Is Going Viral on TikTok
Researchers found 87% of nearly 1,000 videos promoted sunscreen use, but misinformation drew the most engagement on TikTok.
On Thursday, a University of Alberta study published in PLOS Digital Health found that TikTok videos containing sunscreen misinformation generate significantly higher audience engagement than those promoting the product.
While 86.8% of analyzed content promoted sunscreen, the 6% containing health-related critiques—such as claims that products cause cancer or block vitamin D—consistently received more likes, shares, and comments.
Young people disproportionately rely on TikTok for health information, even as skin cancer rates soar; Alessandro Marcon, a research associate at the University of Alberta's Health Law Institute, warned that misinformation ranged from "sunburns aren't dangerous" to toxicity claims.
Dr. Melanie Palm, a board-certified dermatologist and cosmetic surgeon at Art of Skin MD, argues experts must simplify cancer prevention messaging to compete with the "outsized viral potential" of misleading content.
Regulators recently approved bemotrizinol, the first new sunscreen ingredient in more than 20 years, providing new options; experts say plain-language communication remains the most effective tool to counteract social media myths.