NEW YORK — L’Oréal’s business — and that of the beauty market — keep picking up speed. The global beauty market growth has also been accelerating since the beginning of last year. CourtesySkin care contributed one-third of L’Oréal’s growth in the first half. For one, L’Oréal’s beauty stimulus plan remains in full swing. “North Asia will continue to support growth,” Hieronimus said.