Fig. 2.

Cumulative betamethasone dipropionate (BDP) Franz cell diffusion. The amount of BDP diffused through human epidermis, determined by the in vitro Franz cell analysis over the first 72 h following first application. Error bars are the standard error of the mean (SE). A Student’s t test was applied to the data to establish a significant difference. Asterisks indicate significant difference at *p < 0.05 and ****p < 0.001. CAL/BDP Calcipotriene and betamethasone dipropionate, TS topical suspension