A new approach to employee involvement The L’Oréal Group developed a two prong social media strategy to engage existing employees and compete for top talent. L’Oréal is the world’s largest beauty and cosmetics firm with its head office in Clichy, Hauts-de-Seine, France. Offerings include hair products, skin care, sun protection, make-up, and perfume. With increased employee engagement through social media, L’Oréal has been able to demonstrate the benefits of its corporate culture to a broader audience.