**Figure 3: Distribution of fluorescein in the upper 20% of the stratum corneum**

Ratio of the amount of fluorescein in the deeper (second) 10% of the stratum corneum to the amount in the upper 10% of the stratum corneum.

Mode A: without wIRA irradiation,

Mode B: wIRA irradiation before application of the dye,

Mode C: wIRA irradiation after application of the dye

(given as minimum, percentiles of 25, median, percentiles of 75, and maximum (box and whiskers graph with the box representing the interquartile range IQR)), n=12