@britishtextilestudio: ❌ Polyester and nylon, and especially the harmful dyes used in products made from them are known hormone disruptors. They will lower testosterone and have been proven to lower sperm production (Dr Ahmed Shafik, 1993. Study link in comments). Replace your wardrobe with natural fibres. We have a tier list in our pinned post ranking fibres. Check it out. We’re making navigating fibres easier, follow along. #fabricschool #polyester #fastfashion #microplastics #greenwashing

British Textile Studio

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Tuesday 08 September 2026 04:17:16 GMT