<prompt> The most potent topical corticosteroids isHydrocortisone butyrate cream 0.1Betamethasone valerate cream 0.1Clobetasol propionate cream 0.5Clobetasone butyrate cream 0.5  <response>: Clobitasol propionate 0.5 is a superpotent class 1-most potent class topical steroid. 