<prompt> Which of the following topical steroids is the most potent?Halobetasol propionateFluticasoneHydrocortisoneTriamcinolone acetonide  <response>: Ans. is a i.e., Halobetasol propionate Classification of topical steroids based on potencyClass 1Super potentClobetasol propionate ointment and cream 0.5Betamethasone dipropionate ointment 0.05Halobetasol propionate ointment and cream 0.05Class 2Highly potentMometasone furoate ointment 0.1Class 3PotentBetamethasone dipropionate cream 0.05Fluticasone propionate ointment 0.05Class 4Moderately potentFluocinolone acetonide ointment 0.025Fluticasone propionate cream 0.05Mometasone furoate cream 0.1Class 5Moderately potentBetamethasone valerate cream 0.1Hydrocortisone butyrate cream 0.1Class 6Mildly potentDesonide cream 0.05Fluocinolone acetonide solution 0.05Class 7Least potentDexamethasone cream 0.1Hydrocortisone 1 