Abstract
Objective: The aim was to detect a possible allergen in a patient with eyelid dermatitis. Patient and methods: a non atopic 27-year-old female presented with eyelid dermatitis since 3 months. This dermatitis persisted despite the fact she had stopped the use of make up; she had acrylic artificial nails since 2 months and sometimes used hair dyes;patch tests were performed with Finn Chamber® tests with readings at D2 and D3, according ICDRG criteria, with European standard series, additional series (including toluenesulfonamide formaldehyde resin), cosmetic, acrylates, hairdressing series, in 3 patch test sessions, using Chemotechnique Diagnostics® allergens. Results: The only positive patch test was coconut diethanolamide (0.5% pet.)++ at D2 and D3. After removal of the shampoo containing this allergen, the dermatitis cleared. Coconut diethanolamide (cocamide DEA), tensioactive synthesized with coconut oil is widely used in shampoos, soaps, shower gels, barrier creams, washing up liquids, metalworking fluids, hydraulic oils. Involvement of eyelids is not frequently described in the literature with this allergen. Conclusion: Coconut diethanolamide should be added in cosmetic series, and it should be useful to test this allergen in patients with eyelid dermatitis.
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