Italian fashion brand Benetton is to eliminate hazardous chemicals from its entire global supply chain and products by 2020.

The pledge follows pressure from environmental group Greenpeace, and means the company joins Spanish retail giant Inditex, operator of the Zara fashion chain, Fast Retailing Co, operator of the Uniqlo casual clothing chain, Adidas, C&A, H&M, Levi Strauss, Nike, Puma, M&S and H&M in committing to the so-called "Detox challenge".

The Benetton Group plans to disclose discharge data from 30 of its global suppliers (including all of its own facilities) by the end of 2013.

"Benetton's commitment joins the ranks of other big brands such as Levi's, and together they are throwing down the gauntlet to the fashion industry to develop and use non-hazardous chemical alternatives," said Chiara Campione, Campaigner at Greenpeace Italy.

The Benetton Group becomes the thirteenth global corporation to promise to clean up its supply chain and products since Greenpeace launched its Detox campaign in 2011.

It is also the ninth to provide a concrete date [end of 2015] by which it will have eliminated all perfluorinated chemicals (PFCs), which are used to make textile and leather products both water and stain-proof.

The commitment will apply to all of Benetton's 6,500 stores and to all of the brands under the Benetton Group, including Sisley and Playlife.

Greenpeace's Detox campaign demands fashion brands commit to zero discharge of all hazardous chemicals by 2020 and require their suppliers to disclose all releases of toxic chemicals from their facilities to communities at the site of the water pollution.