SCCS published final Advice on Basic Brown 16 Hair Dye – Submission V ter. 
Ingredient: BASIC BROWN 16

Date of publication: 2 February 2026

The SCCS has concluded that Basic Brown 16 (C009) cannot be considered safe for use in non-oxidative hair dye formulations due to mutagenicity concerns.

What’s new?

On the 2nd of February 2026, the Scientific Committee on Consumer Safety (SCCS) adopted its final scientific advice on the safety of Basic Brown 16 (CAS No. 26381-41-9, EC No. 247-640-9), a direct hair dye ingredient used in non-oxidative hair colouring products. The preliminary opinion was open for comments until January 19, 2026, and considering the information received during the commenting period, the SCCS released its final opinion with no changes in the final text.  

The Committee was requested to evaluate the ingredient’s potential for use at 2% concentration in non-oxidative hair dye formulations, and it was concluded that Basic Brown 16 is not safe when used as an ingredient in non-oxidative hair dye formulations, derived from its potential for mutagenicity. 

What now?

The European Commission will likely amend Annex II of the Cosmetics Regulation to implement this prohibition, with typical transition periods of 18-24 months for compliance.   

References:

SCCS (Scientific Committee on Consumer Safety), Scientific Advice on hair dye ‘Basic Brown 16’ (C009) (CAS No. 26381-41-9, EC No. 247-640-9) – submission V ter., preliminary version of 30 October 2025, final version of 2 February 2026, SCCS/1684/25

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