The SCCS has just published its Opinions on cosmetic hair dyes ingredients N,N'-Bis-(2-hydroxyethyl)-2-nitro-p-phenylamine and Tetrabromophenol Blue. They have been adopted at the plenary meeting on 16 March 2016, and are open for comments until June 9, 2016.
N,N'-Bis-(2-hydroxyethyl)-2-nitro-p-phenylamine
Background
The hair dye N,N'-Bis-(2-hydroxyethyl)-2-nitro-p-phenylamine (B34 - CAS No 84041-77-0 - EC No 281-856-4) is intended to be used as hair dye in cosmetic hair coloring products with or without the addition of an oxidizing agent (e.g. hydrogen peroxide).
The latest safety evaluation was adopted by SCCS in September 2012 with the following conclusion :
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T
he SCCS considers N,N'-bis(2-hydroxyethylamino)-2-nitro-p-phenylenediamine not safe for use as an oxidative hair dye with a concentration on head of maximum 1.0% and as a non-oxidative hair dye with a concentration up to 1.5%.'
In December 2014, Cosmetics Europe has submitted additional data.
For full background information, see the article
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Hair dyes: two requests for Opinion to SCCS
(July 2, 2015)
Opinion
1. In light of the new data provided, does the SCCS consider N,N'-Bis-(2-hydroxyethyl)-2-nitro-p-phenylamine (B34) safe when used as an oxidative hair dye with a concentration on-head of maximum 1.0% and as a non-oxidative hair dye with a concentration up to 1.5%?
On the basis of new submitted data, the SCCS considers N,N’-bis(2-hydroxyethylamino)-2-nitro-pphenylenediamine safe for use as an oxidative hair dye with an on-head concentration of maximum 1.0% and as a non-oxidative hair dye with a concentration up to 1.5%.
2. …
