Allergic contact dermatitis in beauty parlor customers

Occupational contact dermatitis in hair dressers and beauticians has increa sed in importance in the past years. Type IV-allergies against glyceryl mon othioglycate components of permanent waves are most common. Other occupatio nal allergens include bleach components such as ammonium persulfate and hai r dye ingredients such as p-phenylenediamine(PPD)and p-toluylenediamine (PT D) base. Allergies to hair dyes in customers of hair dressers have rarely b een observed. Two female patients developed allergic contact dermatitis of the scalp and face after repeated use of Polycolor Intensivtonung schwarz a nd of Movida color. We also review the current literature on type IV-allerg ies to components of hair dressing products components.