J. Thyssen, K. Andersen, M. Bruze
Jun 1, 2009
Citations
2
Influential Citations
80
Citations
Quality indicators
Journal
Contact Dermatitis
Abstract
Background: Positive patch test reactions to p‐phenylenediamine (PPD) are common. PPD is used in oxidative hair dyes and is also present in dark henna temporary ‘tattoos’. Cross‐sensitization to other contact allergens may occur. Because subjects sensitized to PPD are at risk of clinically severe reactions upon hair dyeing, there is a need for ‘current’ prevalence data on PPD sensitization.