Draft Human Health Hazard Evaluation for HHCB Chemical
Summary
EPA has released a draft human health hazard evaluation for HHCB (1,3,4,6,7,8-hexahydro-4,6,6,7,8,8-hexamethylcyclopenta-gamma-2-benzopyran), a synthetic polycyclic musk used as a fragrance ingredient in consumer products. The draft evaluation assesses potential health risks from exposure to HHCB through various routes including dermal, inhalation, and oral pathways. EPA is seeking public comment on the scientific methodology and conclusions of this hazard evaluation before finalizing its assessment.
What changed
EPA has issued a draft human health hazard evaluation for HHCB (Galaxolide), a synthetic musk fragrance ingredient. The document evaluates potential health hazards from exposure to this chemical, which is used in perfumes, cosmetics, soaps, and other consumer products. The evaluation assesses endpoints including dermal sensitization, developmental toxicity, and other health effects.
Manufacturers and importers of products containing HHCB should review the draft evaluation and prepare to submit comments on the scientific methodology and risk conclusions. While this draft does not impose binding obligations, it signals EPA's continued attention to fragrance ingredients and could inform future regulatory actions under TSCA if health concerns are substantiated.
What to do next
- Submit public comments on the draft hazard evaluation
- Review the scientific methodology and findings
- Monitor for the comment close date announcement
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Apr 14, 2026GovPing captured this document from the original source. If the source has since changed or been removed, this is the text as it existed at that time.
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