Cohort 1: Candiplus® 0.2% versus clotrimazole mono Cohort 2: Candiplus® 0.3% versus clotrimazole mono Cohort 3: Candiplus® 0.4% versus clotrimazole mono Randomization into the cohorts will occur consecutively from the lowest dose to the highest dose, i.e. patients will be randomized first in cohort 1 and finally in cohort 3.