L'Oréal
…As of 2024, it is the world's largest cosmetics company. As of the early 2020s, L'Oréal owned 36 brands and 497 patents. In the early 20th century, Eugène Paul Louis Schueller (1881–1957), a French chemist, developed a hair dye formula called l'Auréale. Schueller formulated and manufactured his own products, which he sold to…