“The textile industry gets away with a lot of things because it is often insanely opaque,” says Prof. Richard Blackburn from the University of Leeds, School of Design, an expert in sustainability and textile chemistry. “It tells you a lot when people who really know what is in our textiles (like a COO of a global textile brand that I don’t want to name) tell me they would never wear anything from their brand unless they had washed it twice.”

https://www.forbes.com/sites/christophermarquis/2023/06/12/healthcare-you-can-wear-selling-textile-wastewater-as-skincare-to-highlight-the-dirtiest-secret-of-the-fashion-industry/