A new term to describe a type of personality phenomenon was recently coined in the last year: a Sephora 10-year-old. A vaguely self-explanatory name, it is generally used to refer to female kids in the 7 to 12 year-old age range, identified by a couple of key factors — namely, an infatuation with specific cosmetic brands found within the Sephora chain that are generally popularized by social media.