Geier J, Lessmann H, Schnuch A, Uter W. Recent increase in allergic reactions to methylchloroisothiazolinone/methylisothiazolinone: is methylisothiazolinone the culprit?. Contact Dermatitis. 2012;67:334-41 pubmed publisher
..A reduction in the maximum use concentration of MI seems advisable. MI should be patch tested in the baseline series. ..
Geier J, Uter W. [Diagnostic workup of fragrance allergy]. Hautarzt. 2015;66:674-9 pubmed publisher
..and patchouli oil (Pogostemon cablin). ..