How do fragrances cause contact HS?

➢ Of the approximately 2,500 fragrance ingredients currently used in perfumes, at least 100 are known contact allergens. ➢ In addition to perfumes, these fragrances are used in cosmetics, shampoos and other hair products, soaps, moisturizers, and deodorants. ➢ ACD caused by fragrance occurs predominantly in women with facial or hand eczema Eyelid dermatitis ➢ Individuals may develop dermatitis on eyelids and other exposed skin following exposure to airborne allergens or allergens transferred to that site by the fingers. ➢ Contact dermatitis may also result from allergy to eyelid makeup