Fragrance allergy in patients with hand eczema - a clinical study.

Fragrance allergy and hand eczema are both common among dermatological patients. Fragrance mix (FM) and its constituents have a recognized relevance to exposure to fine fragrances and cosmetic products. Based on extensive chemical analysis and database search, a new selection of fragrances was established, including 14 known fragrance allergens present in products to which hand exposure would occur.

Contact allergy to oak moss: search for sensitizing molecules using combined bioassay-guided chemical fractionation, GC-MS, and structure-activity relationship analysis.

In addition to pure synthetic fragrance materials several natural extracts are still in use in the perfume industry. Among them oak moss absolute, prepared from the lichen Evernia prunastri (L.) Arch.

Oak moss extracts in the diagnosis of fragrance contact allergy.

Oak moss absolute is one of the eight ingredients of the fragrance mix (FM) used for diagnosing perfume allergy. Oak moss absolute is an extract prepared from the lichen Evernia prunastri growing on oak trees. It has been shown that the oak moss patch test material from one producer contained resin acids which are ingredients of another lichen, tree moss.