PARIS, Feb. 13 -- A growing number of kids between the ages of 10 and 14 are showing a keen interest in beauty products, and their skincare routines are sometimes comparable to those of adults.

In the United States, these young girls' obsession with skincare is such that they've been dubbed "Sephora Kids." This trend has alarmed the country's dermatologists, who are issuing warnings about children using products intended for more mature skin.

On TikTok, it's not unusual to come across videos showing young girls rushing to the shelves of Sephora. Over the past few weeks, employees and customers alike have been referencing an influx of sometimes unruly pre-teen girls, capable of creating chaos in the aisles.

On the social network, the ph...