Usage Tests of Oak Moss Absolutes Containing High and Low Levels of Atranol and Chloroatranol.

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Atranol and chloroatranol are strong contact allergens in oak moss absolute, a lichen extract used in perfumery. Fifteen subjects with contact allergy to oak moss absolute underwent a repeated open application test (ROAT) using solutions of an untreated oak moss absolute (sample A) and an oak moss absolute with reduced content of atranol and chloroatranol (sample B). All subjects were in addition patch-tested with serial dilutions of samples A and B. Statistically significantly more subjects reacted to sample A than to sample B in the patch tests. No corresponding difference was observed in the ROAT, though there was a significant difference in the time required to elicit a positive reaction. Still, the ROAT indicates that the use of a cosmetic product containing oak moss absolute with reduced levels of atranol and chloroatranol is capable of eliciting an allergic reaction in previously sensitised individuals.
Original languageEnglish
Pages (from-to)398-402
JournalActa Dermato-Venereologica
Issue number4
Publication statusPublished - 2014

Subject classification (UKÄ)

  • Dermatology and Venereal Diseases


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