Dyed furs and leather (shoes and hatbands) have long been recognized as causes of cutaneous toxicity. Dermatitis venenata due to idiosyncrasy to dyes in other apparel has received less attention, although this phase of the subject has been considered in articles to be mentioned later. Personal studies indicate that additional lesions may be produced by such dyes. In fact, these agents may lead to the development of photosensitivity, furunculosis and possibly hidradenitis suppurativa, lichen simplex chronicus (Vidal) and other entities. DERMATITIS VENENATA Simple contact dermatitis constitutes the most common manifestation of sensitivity to dyes. In 5 per cent of the cases of dermatitis venenata in my private practice the condition is caused by such agents. Cole,1a as the result of a questionnaire, found that of 514 cases of dermatitis due to various dyes, cosmetics and furs, in 56, or nearly 11 per cent, the condition was caused by dyed