Perfumes and deodorants are the most frequent sources of sensitisation to fragrance ingredients in women, while aftershave products and deodorants are most often responsible in men. Thereafter, eczema may appear or be worsened by contact with other fragranced products such as cosmetics, toiletries, household products, industrial contacts and flavourings. Between 10 and 25% of patients routinely tested for suspected allergic contact dermatitis react to a standard indicator of fragrance allergy and they report it in the medical interview.