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Depigmented contact dermatitis due to incense.

R Hayakawa, K Matsunaga, Y Arima

    Contact Dermatitis
    |May 1, 1987
    PubMed
    Summary

    Perfume in incense caused allergic contact dermatitis and depigmentation in a teacher. Patch testing confirmed airborne particles from burnt incense led to skin reactions.

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    Area of Science:

    • Dermatology
    • Allergology
    • Contact Dermatitis

    Background:

    • Allergic contact dermatitis is an immune response to external substances.
    • Depigmentation can be a rare sequela of inflammatory skin conditions.
    • Incense use is common in various cultural practices.

    Observation:

    • A 63-year-old male school teacher presented with itchy, depigmented macules on his hands, shoulder, and abdomen.
    • The patient had a 15-year history of practicing incense ceremonies, using various incenses including sandalwood.
    • Symptoms appeared after prolonged incense exposure.

    Findings:

    • Patch testing revealed that perfume components within the incenses were the causative agent.
    • The proposed mechanism involves airborne perfume particles from burnt incense contacting skin.
    • These particles dissolved in sebum, triggering an allergic reaction leading to dermatitis and depigmentation.

    Implications:

    • This case highlights incense perfume as a potential allergen causing allergic contact dermatitis and subsequent depigmentation.
    • Awareness among dermatologists and the public regarding incense-related contact allergies is crucial.
    • Further research into specific incense allergens and their dermatological effects is warranted.

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