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The European Commission (EC) has published a request for scientific opinion on hair dye chemicals: hydroxypropyl p‑phenylenediamine and its dihydrochloride salt.

This notice requires that Scientific Committee on Consumer Safety provides their scientific opinion on the safe us of hair dye chemicals hydroxypropyl p‑phenylenediamine and its dihydrochloride salt (A165).

These chemicals are intended to be used in oxidative hair coloring products up to a maximum on-head concentration of 2 %.

Consultation is open up until March 2018.

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