Most trending skincare hashtag on TikTok 2023, by number of views
In 2023, retinol was the most popular skincare trend on TikTok, based on the highest number of hashtag views. That year, the retinoid hashtag attracted over 4.8 billion views. This was followed by glass skin, which garnered 2.6 billion hashtag views, and niacinamide with 2.3 billion views.