FranksA. Contact allergy to anethole in toothpaste associated with loss of taste. Contact Dermatitis. 1998; 38(6):354–355; doi: 10.1111/j.1600-0536.1998.tb05786.x
2.
de GrootAC, SchmidtE. Essential oils, part III: Chemical composition. Dermatitis. 2016; 27(4):161–169; doi: 10.1097/DER.0000000000000193
3.
SaharkhizMJ, TarakemeA. Essential oil content and composition of fennel (Foeniculum vulgare L.) fruits at different stages of development. J Essent Oil Bear Plants. 2011; 14(5):605–609; doi: 10.1080/0972060X.2011.10643978
4.
de GrootAC. Monographs of Chemicals and Substances in Cosmetics that have Caused Allergic Contact Dermatitis. In: Monographs in Contact Allergy, Volume 1. CRC Press; 2018.
5.
Le CozCJ, SchneiderGA. Contact dermatitis from tertiary-butylhydroquinone in a hair dye, with cross-sensitivity to BHA and BHT. Contact Dermatitis. 1998; 39(1):39–40; doi: 10.1111/j.1600-0536.1998.tb05819.x