All test substances were well tolerated. Seven out of 40
subjects showed skin reactions to the tape. The irritation
lasted maximally for 84 h and subsided without therapy.
One subject had concomitant itching. The adverse events
were mild to moderate and appeared isolated. A correlation
with the applied test substances was estimated as
possible in 2 subjects, but as a result of irritations on several
test areas no correlation of the side effect to a single
substance could be assessed. Apart from longer-lasting
postinflammatory hyperpigmentations of the irradiated
areas, no persistent disadvantages were notified. All subjects
showed complete remittance. No allergic contact
dermatitis attributed to A. vera gel (97.5%) or other test
substances was observed.