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 ...
A woman had her hair dyed light brown and woke up with a swollen face a day later. Carla Guerrero said she went for a colour treatment at her friend's salon in Rizal, the Philippines, on October 3, ...