Allergic contact dermatitis due to a surgical marker

A 19-year-old female hairdressing student was referred because of hand eczema (Fig. 1a), which had developed during the 8 months she had been training. The history also showed an intense reaction following a ‘temporary henna tattoo’ when she was aged 15 years. Patch testing was performed, according to the ICDRG criteria, with the Spanish Contact Dermatitis Research Group baseline series (TRUE Test®; Marti Tor, Barcelona, Spain) extended with the local anaesthetic series (AllergEaze®; MartiTor), and the hairdressing and fragrance series (both from Chemotechnique, Vellinge, Sweden) using Curatest® chambers (Curatest®;