Journal
CONTACT DERMATITIS
Volume -, Issue -, Pages -Publisher
WILEY
DOI: 10.1111/cod.14377
Keywords
68647-73-4; 92201-50-8; allergic contact dermatitis; essential oil; fragrance; lavender oil or Lavandula augustifolia; patch tests; Ravintsara oil or Cinnamomum camphora oil; tea tree oil or Melaleuca alternifolia leaf oil
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This study analyzed the clinical characteristics and sensitivity of patients sensitized to their own essential oils (EOs) using a patch-test series. The study included 42 patients with allergic contact dermatitis, and it was found that all patients were sensitized to the EO they used. Interestingly, a significant portion of patients did not mention the use of EOs spontaneously, and only a small percentage received advice on their use at the time of purchase.
ObjectiveTo analyse the clinical characteristics and sensitivity of an essential oil patch-test series (EOS) in patients sensitized to their own essential oils (EOs).MethodWe analysed the clinical data and patch-test results obtained with the European baseline series (BSE) and an EOS, as well as the mode of use of EOs, through a questionnaire included in the patient file.ResultsThe study included 42 patients (79% women, average age 50 years) with allergic contact dermatitis (ACD), 8 patients required hospitalization. All patients were sensitized to the EO they used, primarily lavender (Lavandula augustifolia, 8000-28-0), tea tree (Melaleuca alternifolia leaf oil, 68647-73-4), ravintsara (Cinnamomum camphora oil, 92201-50-8), and 2 cases were attributed to helichrysum (helichrysum italicum flower absolute, 90045-56-0). 71% had positive patch tests to fragrance mix I or II, 9 only to the EOS and 4 only with their personal EO. Interestingly, 40% of patients did not spontaneously mention the use of EOs, and only 33% received advice on their use at the time of purchase.ConclusionPatch-tests with the BSE, limonene and linalool HP, and oxidized tea tree oil is sufficient to detect most EO-sensitized patients. The most important is to test the patient's own used EOs.
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