HC Deb 28 July 1977 vol 936 c596W
Mr. Austin Mitchell

asked the Secretary of State for Social Services if he is aware of any harmful consequences of nitro-phenylenediamines at the concentrations used in hair dyes.

Mr. Moyle

No. I would refer my hon. Friend to my answer to his Question on 14th July about present research studies.—[Vol. 935, c. 219].