Carolyn Aronson is betting big on It’s a 10 Haircare’s 20th anniversary year. The CEO and founder is leveraging two decades of success and annual retail revenue of $500 million into the brand’s first spokesperson, a packaging rebrand, and an autobiographical book release chronicling the life of the self-made billionaire and sole owner of It’s a 10 Enterprises. As previously reported by Glossy, the longtime hairstylist and salon owner launched professional hair-care brand It’s a 10 in 2006 with one hero product: Miracle Leave-In spray. The $21 formula was an immediate success for its ability to hydrate, smooth, condition, defrizz and protect hair with one formula. The brand had immediate success by seeding the product to professional hairstylists before entering Ulta Beauty, Target, Sally’s Beauty, Cosmoprof, SalonCentric and Amazon, and selling DTC. Continue reading this article on glossy.co. Sign up for Glossy newsletters to get the latest on the business of beauty, fashion and pop culture.