SCCS Scientific advice on hair dye ‘Basic Brown 16’ (C009) (CAS No. 26381-41-9, EC No. 247-640-9) Submission V ter. - SCCS/1684/25 – Final Version

SCCS Scientific advice on hair dye ‘Basic Brown 16’ (C009) (CAS No. 26381-41-9, EC No. 247-640-9) Submission V ter. - SCCS/1684/25 – Final VersionU U. Bernauer, L. Bodin, Q. Chaudhry, P.J. Coenraads, J. Ezendam, E. Gaffet, C. L. Galli, E. Panteri, V. Rogiers, Ch. Rousselle, M. Stepnik, T. Vanhaecke, S. Wijnhoven, E. Benfenati, N. Cabaton, E. Corsini, Ch. Delmaar, A. Koutsodimou, H. Louro, W. Uter, N. von Goetz Adopted by written procedure on 2 February 2026Publication date : 10 February 2026 (34 pages)https://health.ec.europa.eu/publications/sccs-scientific-advice-hair-dye-basic-brown-16-c009-cas-no-26381-41-9-ec-no-247-640-9-submission-v_enhttps://health.ec.europa.eu/document/download/189b7e0f-5d91-4bea-ae82-7efdd8bae8d4_en?filename=sccs_o_305.pdfDetailsPublication date : 10 February 2026Author : Scientific Committee on Consumer Safety (SCCS)DescriptionSCCS members: U. Bernauer, L. Bodin, Q. Chaudhry, P.J. Coenraads (Chairperson), J. Ezendam, E. Gaffet, C. L. Galli, E. Panteri, V. Rogiers, Ch. Rousselle, M. Stepnik (Rapporteur), T. Vanhaecke, S. WijnhovenSCCS external experts: E. Benfenati, N. Cabaton, E. Corsini, Ch. Delmaar, A. Koutsodimou, H. Louro, W. Uter, N. von Goetz Contact: SANTE-SCCS@ec.europa.euOn request from: European CommissionSCCS Number: SCCS/1684/25Adopted on: 2 February 2026Conclusion of the opinion:(1) In light of the data provided, does the SCCS consider Basic Brown 16 safe, when used as an ingredient at 2 % in non-oxidative hair dye formulations?Having assessed the data provided, the SCCS does not consider the use of Basic Brown 16 safe when used as an ingredient in non-oxidative hair dye formulations because the weight of evidence indicates its potential for mutagenicity.(2) Does the SCCS have any further scientific concerns with regard to the use of Basic Brown 16 in cosmetic products?/Keywords:SCCS, scientific advice, hair dye, Basic Brown 16, C009, 8-[(4- Aminophenyl)diazenyl]-7-hydroxy-N,N,N-trimethylnaphthalen-2-aminium chloride, CAS No. 26381-41-9, EC No. 247-640-9, submission V ter., Regulation 1223/2009Opinion to be cited as: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.