This week, in Behind the Winning Idea and our last episode of 2021, we explore the strategy, execution and outcome of Persil: Dirt for Good, awarded Gold in Brand Purpose and a Sustainability Award in this year's WARC Awards for Effectiveness.

Persil grew sales and consideration among households in the UK by evolving its Dirt is Good brand platform to communicate its new green brand purpose and the actions it was taking to address environmental concerns. We spoke to Tati Lindenberg, Vice President of Marketing, Dirt Is Good at Unilever and Rachael Stets, Global Strategy Director at MullenLowe to find out more.

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