<prompt> Most potent topical corticosteroid is -Hydrocortisone butyrate cream 0.1Betamethasone valerate cream 0.1Clobetasol propionate cream 0.5Clobetasol butyrate cream 0.5  <response>: Ans. is c i.e., Clobetasol propionate cream 0.5 Classification of topical corticosteroids based on potencyClass 1 SuperpotentClobetasol propionate cream ointment 0.5 Betamethasone propionate ointment 0.05Halobetasol propionate cream ointment 0.05Class 2 Highly potentMometasone furoate ointment 0.1Class 3 PotentBetamethasone dipropionate cream 0.05Fluticasone propionate ointment 0.05Class 4 Moderately PotentFluocinolone acetonideointment 0.025Fluticasone propionate cream 0.05Mometasone furoate cream 0.1 Class 5 Moderately PotentBetamethasone valerate cream 0.1Hydrocortisone butyrate cream 0.1Class 6 Mildly PotentDesonide cream 0.05Fluocinolone acetonide solution 0.05Class 7 Least PotentDexamethasone cream 0.1 Hydrocortisone 1 