It is unacceptable that a commonly used chemical should be allowed to pose a threat to human health through airborne exposure in many environments. The authors of this editorial suggest that the existing risk assessments for cosmetic and industrial products that contain methylisothiazolinone should be re-evaluated. In addition, regulators should consider immediately lowering the allowed concentration of this compound in all types of products until a safe concentration is established or methylisothiazolinone is completely banned from all consumer and occupational products, they say.
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