Having a circular system in place for the fashion industry won’t solve the problem of harmful chemicals. In fact - chemicals management and reducing hazardous chemicals, designing with green chemistry principles in mind. We must have transparency in the supply chain about the chemicals used and be able to trace those with the product to ensure we are not just recycling hazardous chemicals into products too. The ZDHC Gateway and InCheck reports will be important enabling function allowing knowledge about the chemicals used in manufacturing and remanufacturing. The ZDHC MRSL will serve as the gatekeeper to keep unwanted harmful chemicals out the circular materials loop.