Schwartz will have overall responsibly for sales and marketing in the role. He replaces Damien Bertrand who is moving internally within the company.
He will report to L’Oreal managing director Pierre-Yves Arzel and is based in the UK.
He joined News International in an overarching marketing role across its nationial newspaper brands, The Sun, The News of The World, The Times and The Sunday Times at the beginning of 2009.
But he left within 12 months following a review undertaken by chief executive Rebekah Brooks.
The move marks a return to his former employer for Schwartz, who held the role of UK marketing director for L'Oreal in the 90s.