Celebrity colorists share their favorite copper hair hues. They say blondes have more fun and that brunettes do it better, ...

Occupational studies stretching back decades have found an increased risk of bladder cancer among hairdressers.

Background: Finding alternative hair dyes for individuals allergic to para-phenylenediamine (PPD) has been difficult. Newer permanent and demipermanent hair dyes that have replaced PPD with para ...