Cosmetovigilance:the study of prevalence & vigilance of adverse cutaneous reactions in hairdye users

Abstract

ABSTRACT: Introduction: Cosmetics are largely diffused substances topically applied to wash, to perfume or to improve the look. The adverse reactions to cosmetics are generally not serious and frequently related to skin alterations nevertheless the number of reported adverse reactions is very low, probably because of underreporting. Method: To aim the study we interviewed 500 volunteers and the questionnaire is collected about use of hair dye, prevalence and characteristics of adverse cutaneous reactions and reporting of consequent measures taken by the volunteers. Result: The response rate is 78%. Total 360 persons gave a history compatible with hair dye dermatitis. Edematous skin reaction is seen in 65% and allergic dermatitis is seen in 49% cases while 30% cases seen with both type of reactions. Discussion: Our experience regarding the notification of adverse effects of cosmetics, although limited to a restricted geographical area, suggests that for an efficient and reliable monitoring system to be in place