Kérastase innovates, thanks to Recherche Avancée L'Oréal whose strength within the L'Oréal Group has made it one of the leading worldwide beauty brands. With more than 2,000 researchers, the Advanced Research of L'Oréal ensures the highest quality and most performant technology is specifically reserved for the Kérastase brand. Our mission: to bring a new sense of beauty and well-being to every client.