In vivo patch test
CONTACT DERMATITIS
The patch irritation test based on good clinical practice was authorized by the Human Ethics Committee of the Faculty of Pharmacy, Chiang Mai University, Thailand (protocol no. 41/2020). Thirty healthy volunteers, having provided consent from all subjects, were included for this approach. As mentioned in the informed consent form, only summarized results and pictures of tested area which shown nothing attributed to participant’s identity were published. In addition, informed consent was obtained from all subjects or their legal guardians for both study participation and publication of identifying information/images in an online open-access publication. According to the European Society of Contact Dermatitis (ESCD) guidelines for diagnostic patch testing