Dimethylpiperazinium Aminopyrazolopyridine HCl (A164)

WG on Cosmetic Ingredients
SCCS members: U. Bernauer, L. Bodin, L. Celleno, Q. Chaudhry, P. Coenraads (Chairperson), M. Dusinska, J. Ezendam, C.L. Galli, B. Granum, E. Panteri, V. Rogiers, C. Rousselle, M. Stępnik (Rapporteur), T. Vanhaecke, S. Wijnhoven
Former SCCS member: J. Duus-Johansen
Contact: SANTE-C2-SCCSec [dot] europa [dot] eu (SANTE-C2-SCCS[at]ec[dot]europa[dot]eu)
On request from: European Commission
SCCS Number: SCCS/1584/17
Adopted on: 7 March 2017

Conclusion of the opinion:

1. In light of the data provided, does the SCCS consider Dimethylpiperazinium Aminopyrazolopyridine HCl (A164), safe when used in oxidative hair colouring products up to a maximum on-head concentration of 2%?

On the basis of data provided, the SCCS considers Dimethylpiperazinium Aminopyrazolopyridine HCl (A164) safe when used in oxidative hair colouring products up to a maximum on-head concentration of 2%.

2. Does the SCCS have any further scientific concerns with regard to the use of Dimethylpiperazinium Aminopyrazolopyridine HCl (A164) in cosmetic products?

Chemical characterisation and quantification of the oxidation product(s) detected in some batches have not been provided.

Keywords:

SCCS, scientific opinion, Dimethylpiperazinium Aminopyrazolopyridine HCl (A164), Regulation 1223/2009, CAS 1256553-33-9

Opinion to be cited as:

Opinion to be cited as: SCCS (Scientific Committee on Consumer Safety), Opinion on Dimethylpiperazinium Aminopyrazolopyridine HCl (A164), preliminary version of 7 March 2017, SCCS/1584/17.