Adverse Reactions to Essentials Oils.
Toxicity and Safety. 
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        2. Frosch PJ, Johansen JD, Menné T, et al. Further important sensitizers in patients sensitive to fragrances. Contact Dermatitis. 2002;47(5):279–87. doi:10.1034/j.1600-0536.2002.470204.x. PubMed
        3. Rutherford T, Nixon R, Tam M, Tate B. Allergy to tea tree oil: retrospective review of 41 cases with positive patch tests over 4.5 years. Australas J Dermatol. 2007;48(2):83–7. doi:10.1111/j.1440-0960.2007.00341.x. PubMed
        4. Sarkic A, Stappen I. Essential oils and their single compounds in cosmetics – a critical review. Cosmetics. 2018;5(1):11. doi.org/10.3390/cosmetics5010011 Journal
        5. Bleasel N, Tate B, Rademaker M. Allergic contact dermatitis following exposure to essential oils. Australas J Dermatol. 2002;43(3):211–13. doi:10.1046/j.1440-0960.2002.00598.x. PubMed
        6. Crawford GH, Katz KA, Ellis E, James WD. Use of aromatherapy products and increased risk of hand dermatitis in massage therapists. Arch Dermatol. 2004;140(8):991–6. doi:10.1001/archderm.140.8.991.  PubMed
        7. Schaller M, Korting HC. Allergic airborne contact dermatitis from essential oils used in aromatherapy. Clin Exp Dermatol. 1995;20(2):143–5. doi:10.1111/j.1365-2230.1995.tb02719.x. PubMed
        8. Shah KM, Goldman SE, Agim NG. Airborne contact dermatitis caused by essential oils in a child. Dermatitis. 2019;30(1):79–80. doi:10.1097/DER.0000000000000430. PubMed
        9. Tempark T, Chatproedprai S, Wananukul S. Localized contact dermatitis from Ferula assa-foetida oleo-gum-resin essential oil, a traditional topical preparation for stomach ache and flatulence. Indian J Dermatol Venereol Leprol. 2016;82(4):467. doi:10.4103/0378-6323.182969. PubMed
        10. Verallo-Rowell VM, Katalbas SS, Pangasinan JP. Natural (mineral, vegetable, coconut, essential) oils and contact dermatitis. Curr Allergy Asthma Rep. 2016;16(7):51. doi:10.1007/s11882-016-0630-9. PubMed
        11. Boonchai W, Iamtharachai P, Sunthonpalin P. Occupational allergic contact dermatitis from essential oils in aromatherapists. Contact Dermatitis. 2007;56(3):181–2. doi:10.1111/j.1600-0536.2007.01024.x. PubMed
        12. Selvaag E, Holm JO, Thune P. Allergic contact dermatitis in an aroma therapist with multiple sensitizations to essential oils. Contact Dermatitis. 1995;33(5):354–5. doi:10.1111/j.1600-0536.1995.tb02058.x. PubMed
        13. Trattner A, David M, Lazarov A. Occupational contact dermatitis due to essential oils. Contact Dermatitis. 2008;58(5):282–4. doi:10.1111/j.1600-0536.2007.01275.x. PubMed
        14. Weintraub GS, Lai IN, Kim CN. Review of allergic contact dermatitis: scratching the surface. World J Dermatol. 2015; 4: 95–102. doi: 10.5314/wjd.v4.i2.95. Journal
        15. Dharmagunawardena B, Takwale A, Sanders KJ, Cannan S, Rodger A, Ilchyshyn A. Gas chromatography: an investigative tool in multiple allergies to essential oils. Contact Dermatitis. 2002;47(5):288–92. doi:10.1034/j.1600-0536.2002.470506.x. PubMed
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        20. Coulson IH, Khan AS. Facial 'pillow' dermatitis due to lavender oil allergy. Contact Dermatitis. 1999 Aug;41(2):111.
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        22. Rademaker M. Allergic contact dermatitis from lavender fragrance in Difflam gel. Dermatitis. 1994 Jul;31(1):58-9.
        23. Brandao FM. Occupational allergy to lavender oil. Contact Dermatitis. 1986 Oct;15(4):249-50.
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        28. https://content.iospress.com/articles/international-journal-of-risk-and-safety-in-medicine/jrs568
        29. Health Canada puts safety restrictions on eucalyptus essential oils. 
        30. Essential oil poisoning  https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4721170/
        31. Essential oil poisoning   https://pubmed.ncbi.nlm.nih.gov/15895251/
        32. Essential oil poisoning on the rise in AUS https://onlinelibrary.wiley.com/doi/full/10.5694/mja2.50403
        33. Essential oil poisoning on the rise IN AUS https://www.healthywa.wa.gov.au/Articles/A_E/Essential-oils
        34. https://www.mja.com.au/journal/2019/essential-oil-poisoning-calls-increase-children-most-affected