TikTok trending: The Ordinary and CeraVe ‘most popular’ beauty brands in July 2021 18-Aug-2021 By Kacey Culliney Deciem-owned indie brand The Ordinary is the most popular beauty brand on TikTok by hashtags and follower count, closely followed by L’Oréal’s derma brand CeraVe; though Unilever’s Dermalogica steals top spot for most videos.