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Related Experiment Videos

Temperature dependent primary irritant dermatitis from lemon perfume.

H W Rothenborg, T Menné, K E Sjolin

    Contact Dermatitis
    |February 1, 1977
    PubMed
    Summary
    This summary is machine-generated.

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    High temperatures can turn perfume ingredients into primary irritants, causing hand eczema in cleaning staff. Testing with heat helps identify these irritants, suggesting cooler water for cleaning tasks.

    Area of Science:

    • Dermatology
    • Toxicology
    • Occupational Health

    Background:

    • An outbreak of hand eczema occurred among cleaning personnel after a new lemon-scented detergent was introduced.
    • Patients reported burning and stinging sensations when hands were submerged in hot detergent solutions.

    Purpose of the Study:

    • To identify the causative agent of hand eczema linked to a new detergent.
    • To investigate the role of temperature in the irritancy of perfume components.

    Main Methods:

    • Routine patch testing with standard series and perfume components was initially unhelpful.
    • Testing with specific perfume components was repeated at higher temperatures (43°C vs. 23-25°C) for 20 minutes.
    • Histological examination of biopsies was performed up to 48 hours post-exposure.

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    Main Results:

    • Citral, a lemon perfume component, acted as a strong primary irritant at elevated temperatures.
    • Little to no reaction was observed at lower temperatures.
    • Histology confirmed a toxic (primary irritant) reaction, detectable even 48 hours later.

    Conclusions:

    • Heat significantly contributes to primary irritant (toxic) dermatitis and can accelerate irritant testing.
    • Detergents and their perfumes should be evaluated for irritancy at typical usage temperatures (45-50°C).
    • Using lukewarm water instead of hot water for manual cleaning may prevent such dermatitis.