Veteran marketer will leave in May 2019.
Polman will remain for the first half of next year to help successor Alan Jope with transition.
Beauty brand has consolidated £90m business into Publicis agency.
Activation will take place over two weeks.
The scope includes all international markets outside of North America.
The company underwent rigorous testing of its products to verify the supply chain is free of animal testing.
Entrepreneurs George and Ted Ko worked with MDC Partners' Yes and Company to power through an incredibly quick brand launch,
Christopher Wylie talks to Campaign about creativity and data misuse.
The Bank of America executive shares how to win the marketing war rather than the battle.
Apple has beaten Google to the top, with Amazon in third place.