The Incidence of Positive Reactions to Cosmetic Ingredients in Patchtests and Three Representative Cases with Allergic Cosmetic Dermatitis in 1983

Abstract

The incidence of positive reactions to 27 cosmetic ingredients in patchtests from September, 1982 to August, 1983 was reported. The worst 5 materials are the following : perfumes mixture recommended by the ICDRG 11.9% (44/371), jasmine absolute 6.9% (15/218), oak moss 5.6 % (6/107), lavender absolute 4.31% (9/209) and oil of ylang ylang 3.7% (8/215). It is noticed that the incidence of positive reactions to cinnamic aldehyde dropped markedly, that is, 0.0% (0/214) during the period. The worst 5 cosmetic products are the following : eyeliner 8.71% (2/23), cleansing cream 6.1% (6/98), lipsticks 4.7% (14/295), under-makeup cream 4.3% (5/117) and cleansing foam 4.7% (3/72). Three representative cases with allergic cosmetic dermatitis were also reported. © 1984, Meeting of Osaka Dermatological Association. All rights reserved.