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To the Editor: We read with interest a recent publication by Villa-Ruiz et al 1 on TikTok and dermatology. The authors characterized the content and assessed the reliability of the most popular dermatology videos on TikTok. Although the content creators of the most popular videos were most often patients, they found that board-certified dermatologists were the main source of educational videos and that these videos were 50% more likely to be reliable than educational videos created by other sources when compared based on the American Academy of Dermatology guidelines.

Worldwide, TikTok has had over 1 billion monthly active users and 2 billion downloads in total since its launch in September 2016, making it the world’s fastest growing social media platform (Table I). 2, 3 What makes TikTok unique compared to its peers (eg, Instagram), however, is that it uses a proprietary algorithm to perform never-ending …