L'Oréal S.A. is a French multinational personal care company headquartered in Clichy, Hauts-de-Seine, with a registered office in Paris. It is the world's largest cosmetics company and has developed activities in the field, concentrating on hair color, skin care, sun protection, make-up, perfume, and hair care.

Personal care products are consumer products which are applied on various external parts of the body such as skin, hair, nails, lips, external genital and anal areas, as well as teeth and mucous membrane of the oral cavity, in order to make them clean, protect them from harmful germs and keep them in good condition. They promote personal hygiene and overall health, well-being and appearance of those body parts. Toiletries form a narrower category of personal care products which are used for basic hygiene and cleanliness as a part of a daily routine. Cosmetic products, in contrast, are used for personal grooming and beautification. Pharmaceutical products are not considered personal care products.