Outbreak of Hair Dye Dermatitis with Imitating Tendency

摘要

Background: Hair dye is a common cosmetic agent that had been used since ancient times that might be associated with hair dye dermatitis in certain people. In Iraq for the last 3 years, the frequency of hair dye dermatitis is increasing. Objective: To record this outbreak of hair dye dermatitis in the Iraqi population and to evaluate the different types of hair dye rash. Also to study its clinical patterns in relation to gender and sites. Patients and Methods: This is a descriptive, clinical study that was done in the Center of Dermatology -Medical City, Baghdad, Iraq through August 2016 to September 2017. A total number of 56 patients were seen and history and physical examination were carried out to record all socio-demographic data related to this problem. Results: A total of 56 patients with a clinical diagnosis of hair dye dermatitis were included in this study. Their ages ranging from 20 to 72 years with a mean ±SD of (52.3±9.5) years. The males were 47(83.9%) patients and females were 9 (16%) patients with a male: female ratio 5.2:1. The male age ranged 28-65y with a mean 52.4y while female ages ranged from 20-72y with a mean 52.2y. The most common sites of involvement were the face in 55 (98.2%) patients followed by neck and v -shape of the chest in 40 (71.4%) scalp and scalp margin in 30 (54%). While upper extremities involved in 15(26.7%), the dorsal aspect of hands in 12 (21.4%) patients, and chest in 7 (12.5%) patients. The most common pattern of distribution was localized lesion in 42 (75%) patients and photo-distributed in 8 (14.20%) and generalized lesion in 6 (10.7%) patients. The majority of cases were above 40 years 51(91.7%) patients. The most common clinical presentation of skin rash was dermatitis in 35(62.5%) of the patients, followed by a lichenoid eruption in 11(19.9%), actinic dermatitis in 4(7.1%), facial melanosis and angioedema in 3(5.3%) for each one. In conclusion; this is the first Iraqi study reporting outbreak of hair dye dermatitis with a mean age of 52.3 years which was mainly a disease of males (83.9%). The face was the commonest site affected (98.2%) while the scalp was involved in 54%. The rash could be localized to the head or could be generalized and might take many clinical patterns like dermatitis, lichenoid rash or photodermatoses.