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SCCS Concludes Safety of Hair Dye Ingredient 1-hexyl 4,5-diamine Pyrazole Sulfate (European Union)

August 18, 2015

The European Commission’s Scientific Committee on Consumer Safety (SCCS) has released its opinion on hair dye ingredient 1-hexyl 4,5-diamine pyrazole sulphate, concluding that the ingredient is safe for use at a maximum on-head concentration of 1.0%.

The committee has noted that the substance is a moderate skin sensitizer.

Deadline for submission of comments has been set on September 10, 2015.

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