Chemical Management

bluesign® reaches ZDHC CtZ ‘Progressive Level

bluesign’s CtZ certification will ensure safe chemical usage in apparel, footwear, leather and textile sectors

Textile chemical formulators that have undergone bluesign® chemical evaluations have now been approved by the ZDHC as part of its new Chemical Zero Framework (CtZ) for the ‘Progressive Tier’, aiming for new breakthroughs.

Textile articles manufactured using bluesign® approved chemicals shall comply with the safe consumer rights and required safety limits set out in the BSSL and AFIRM RSL. Their long-standing concept has now been recognized by the ZDHC.

bluesign® continues to be a pioneer in chemical evaluation. bluesign® has always ensured that bluesign® approved chemicals meet strict consumer safety rights and requirements.

ZDHC has now launched its CtZ-Progressive Transitional Phase, which is used in direct chemical formulation in the apparel, footwear, leather and textile sectors and is extensively designed to drive safe chemical usage.

bluesign® has been approved as a certification standard for CtZ (Chemicals to Zero) – the ‘progressive level’ which is the highest conformance level according to the ZDHC framework and which joins the MRSL 3.1 Level 3 approval.  CtZ – Equivalent to ‘Progressive Level’ AFIRM RSL compliance if the listed chemistry is applied in accordance with the chemical supplier’s instructions.

All bluesign® approved chemical products are automatically transferred to the CtZ – ‘progressive level’ on 28th July 2023.  A formal confirmation of the chemical supplier/formulator at the gateway is a must for all products to make the updated status visible. A step-by-step guide can be found on the ZDHC website: ZDHC Gateway (Formulator) – Chemicals to Zero in Stitching ZDHC Foundation Help Center (

Please be aware that bluesign® APPROVED means more than just the CtZ-Progressive level and includes their system as well.

  • Hazard assessment of chemical products
  • Evaluation against SVHC substances
  • Wastewater impact assessment
  • Air emissions impact assessment
  • Risk assessment to ensure workers are safe
  • Potential to claim sustainability attributes such as renewable feedstock materials and recycled materials

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