The ZDHC MRSL is a list of chemical substances banned from intentional use in facilities that process textile materials, synthetic leather, leather, and trim parts in textiles and footwear. By using chemical formulations that conform to ZDHC’s MRSL suppliers can assure themselves, and their customers that banned chemical substances are not intentionally used during the production.Conformance with the ZDHC MRSL is an important part of a holistic chemicals management approach that will help to drive sustainable chemistry and the reduction of hazardous chemical discharge into the environment. The ZDHC MRSL Conformance Guidance is intended for use by chemical suppliers, brands, material suppliers, product finishers, and certification bodies.

The ZDHC MRSL Conformance Guidance provides chemical suppliers with an indication system to assess the extent to which a chemical formulation conforms to, or meets, the requirements of the ZDHC MRSL. ZDHC’s intent is to leverage third-party certification systems to create an indication of conformance. An integral part of the indication system takes the form of certificates from ZDHC accepted third-parties or acceptable analytical test results. It also describes the criteria that certification bodies must meet in order to be accepted by ZDHC as an indicator of MRSL conformance.”The release of the MRSL Conformance Guidance is an important next step to deliver our Roadmap to Zero Programme,” said ZDHC executive director Frank Michel.”This manual supports chemical suppliers, brands, manufacturers, certification bodies and other intermediaries by finding and/or creating ZDHC MRSL conformant chemical formulations.”ZDHC MRSL conformance levels range from 0 to 3. These levels provide a buyer of chemical products a level of confidence that indicates how any given chemical product conforms to the ZDHC MRSL. The higher is the conformance level, the more extensive and thorough is the review of the chemical formulation and its producer.The Conformance Guidance forms the backbone of the ZDHC Gateway – Chemical Module which is the place where chemical suppliers can register their company and formulations and display the conformance levels of their products in accordance with the indication system established by the guidance. Manufacturers and brands can use the Chemical Module to find ZDHC MRSL conformant safer alternatives.Certification bodies who are interested in becoming ZDHC accepted certifiers can review the requirements set out in the Conformance Guidance for having their certification process accepted by ZDHC as part of the indication system for ZDHC MRSL conformance.