The Skin Nerd: Analysing the best and worst of the TikTok skincare trends 

In-flight skincare and toner layering are among the trends making inroads on the video-sharing phenomenon

The Skin Nerd tells us what to listen to and what to ignore when it comes to word-of-mouth skincare trends.

Leave it: Anti-sunscreen

Misinformation often lies at the heart of the worst trends on TikTok, and an example of this is the “anti-sunscreen movement” — with the hashtag #AntiSunscreen accumulating more than 5.3m views.