Para Phenylenediamine Allergy

Para phenylenediamine allergy

Para PhenyleneDiamine or PPD is extensively used in hair color and other daily used products. This chemical substance used for permanent dye. However, in 2006 American Contact Dermatitis Society declared it Para phenylenediamine allergy as contact allergen of the year. Apart from hair dye, PPD is used in textiles, fur dyes, tattoos, black rubber, black […]