"Ruby Woo," MAC's best-selling lipstick, sells one per minute worldwide.
Urban Decay's co-founder's love of vintage nude photos inspired the Naked palette series.
Anastasia Soare, the brand's founder, was dubbed the "Eyebrow Queen" by celebrities and influencers for her innovative eyebrow shaping techniques.
NARS' "Orgasm" blush became famous for its quality and risqué name, which sparked debates and controversies.
Estée Lauder began selling skincare products in her uncle's Manhattan office.
Bobbi Brown's first big break was doing Elvis Presley's Rolling Stone magazine makeup.
While working at a makeup counter, Jerrod Blandino and Jeremy Johnson dreamed up Too Faced.
"Maybelline" is a combination of "Maybel" (the founder's sister) and "Vaseline" (an ingredient in the original product).