Hydroxypropyl bis(n-hydroxyethyl-p-phenylenediamines) hcl (inci)

Synonym(s)

1,4-benzenediamines; CAS number: 128729-28-2; N(4)-(2-hydroxyethyl)-N(1),N'(1)-[2-hydroxypropanediyl]-

Definition
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Hydroxypropyl bis(n-hydroxyethyl-p-phenylenediamines) HCL is a substance used as an oxidative hair dye.

Note(s)
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Toxicological studies did not give rise to concern. The framework conditions for colouring agents which may be used in cosmetics are laid down in the EC Cosmetics Regulation (1223/2009) Annex IV.

Literature
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Becker LC et al (2016) Safety Assessment of Hydroxypropyl Bis(N-hydroxyethyl-p-phenylenediamine) HCl as Used in Cosmetics. Int J Toxicol 35(2 suppl):5S-11S.