Hair dyes: the SCCS revised three Opinions
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On 16 March 2016, during its plenary meeting, the SCCS three Opinions on the cosmetic hair dye ingredients Basic Blue 124, HC Yellow No. 16 (B123), and HC Red No. 18 (B124). These Opinions have been published on 7 April 2016.
Basic Blue 124
The new ingredient Basic Blue 124 is intended to be used as a direct hair dye in semi-permanent hair dye formulations at on-head concentrations in the range between 0.01% up to a maximum of 0.5% (w/v). The regular frequency of application is intended to be once per month up to once per 8 weeks.
For exhaustive background information, see the articles
• SCCS: 4 requests for scientific Opinions (June 26, 2014)
• SCCS: 1 Opinion, 1 Addendum, 3 Revisions (December 30, 2014)
• SCCS: a 'annul and supersede', two revisions (July 20, 2015)
In bold, the modified parts
1. In light of the data provided, does the SCCS consider Basic Blue 124 safe when used as a direct hair dye in semi-permanent hair dye formulations at on-head concentration up to a maximum of 0.5% (w/v)?
The safety of Basic Blue 124 cannot be assessed since no final conclusion on mutagenicity can be drawn without further studies to exclude gene mutation potential.
The SCCS considers Basic Blue 124 safe when used as a direct hair dye in semi-permanent hair dye formulations at on-head concentration up to a maximum of 0.5% (w/v).
2. Does the SCCS have any further scientific concerns with regard to the use of Basic Blue 124 in cosmetic products?
The SCCS considers Basic Blue 124 a strong skin sensitiser.
Basic Blue 124 is a tertiary amine. It should ...