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Contact sensitivity to oak moss.

S Gonçalo1, F Cabral, M Gonçalo

  • 1Clinica de Dermatologia e Venerologia dos Hospitais da Universidade de Coimbra, Portugal.

Contact Dermatitis
|November 1, 1988
PubMed
Summary
This summary is machine-generated.

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Oak moss is a primary cause of perfume allergies, with specific lichen acids like atranorin being common culprits. Many patients with oak moss allergy also react to other fragrance ingredients.

Area of Science:

  • Dermatology
  • Allergology
  • Contact Dermatitis

Background:

  • Oak moss is a significant allergen in contact sensitivity to perfumes.
  • Perfume contact allergy affects a notable portion of the population.
  • Identifying specific allergens is crucial for managing allergic reactions.

Purpose of the Study:

  • To investigate the role of oak moss as a primary allergen in perfume sensitivity.
  • To identify specific allergenic components within oak moss responsible for contact dermatitis.
  • To explore concomitant allergies to other fragrance ingredients.

Main Methods:

  • Study included 31 patients with known sensitivity to oak moss.
  • Allergen sources were categorized as perfumes, lichens, or unknown.

Related Experiment Videos

  • Specific lichen acids (atranorin, usnic, evernic, fumarprotocetraric) were analyzed as potential allergens.

    • Main Results:

    • Oak moss allergy was the principal allergen in 45% of contact sensitivity to perfumes.
    • Atranorin was the most frequent allergen identified in oak moss-sensitive patients.
    • Concomitant allergies to balsam of Peru, colophony, and other fragrance components were observed.

    Conclusions:

    • Oak moss is a key allergen in perfume-induced contact dermatitis.
    • Lichen acids, particularly atranorin, are significant triggers for oak moss allergy.
    • Patients with oak moss allergy frequently exhibit polysensitization to other fragrance allergens.