Because of their widespread use, fragrances are among the most common causes of contact allergic dermatitis, second only to nickel. During a five-year period 3,065 patients with contact dermatitis were patch tested using a specific mix of fragrances. 509 (16.6%) patients were allergic to the
BACKGROUND
In 2003, the EU Cosmetics Directive stated that 26 fragrance substances must be listed on the cosmetic product ingredient labels. Not all of these 26 fragrance substances are detected by the usual screening markers comprising fragrance mix I, fragrance mix II, and Myroxylon