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Related Experiment Videos

Deodorants: an experimental provocation study with isoeugenol.

Magnus Bruze1, Jeanne D Johansen, Klaus Ejner Andersen

  • 1Department of Occupational and Environmental Dermatology, University Hospital Malmö, Malmö, Sweden. magnus.bruze@derm.mas.lu.se

Contact Dermatitis
|May 19, 2005
PubMed
Summary

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Fragrance allergy, specifically to isoeugenol, can cause axillary dermatitis. Deodorants with isoeugenol triggered reactions in allergic individuals, highlighting fragrance sensitivity concerns.

Area of Science:

  • Dermatology
  • Allergology
  • Cosmetic Science

Background:

  • Axillary dermatitis is frequently linked to fragrance contact allergy.
  • Deodorants are often suspected as the cause of axillary dermatitis.
  • Isoeugenol is a common fragrance allergen.

Purpose of the Study:

  • To investigate the role of isoeugenol in deodorants in causing axillary dermatitis.
  • To assess the significance of isoeugenol in individuals with and without known contact allergy.

Main Methods:

  • Patch tests with deodorants and isoeugenol solutions.
  • Repeated open application tests (ROAT) using roll-on deodorants with varying isoeugenol concentrations.
  • Study included 35 dermatitis patients (10 without, 25 with isoeugenol allergy).

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Main Results:

  • Positive ROAT results were exclusively observed in patients with isoeugenol hypersensitivity.
  • Reactions occurred only on the axilla where isoeugenol-containing deodorants were applied.
  • Deodorants with 0.0063-0.2% isoeugenol induced axillary dermatitis in allergic individuals within weeks.

Conclusions:

  • Isoeugenol in deodorants can elicit axillary dermatitis in sensitized individuals.
  • Repeated open application tests are effective in identifying deodorant-induced allergic contact dermatitis.
  • Awareness of isoeugenol content in deodorants is crucial for managing fragrance allergies.