BEIJING, June 20 (RIA Novosti) - Chinese police have been banned from dyeing their hair and wearing jewelry, the Xinhua news agency reported Wednesday citing an instruction by the Public Security Ministry.

Those officers who come to work with dyed hair will be ordered to dye it back to the original color. Policewomen will be prohibited from wearing scarves or painting their nails, and policemen will have to have short and neat haircuts.

"Uniformed police officers are banned from smoking in public places or visiting entertainment establishments for personal reasons," the instruction reads.

Repeated offenders will be fired, the document says.