<prompt> The most potent topical coicosteroids is ?Hydrocoisone butyrate cream 0.1Betamethasone valerate cream 0.5Clobetasol propionate cream 0.5Clobetasone butyrate cream 0.5  <response>: Ans. c i.e., Clohetasol propionate cream 0.5 Classification of topical steroids based on potency Class 1 Super Potent Clobetasol propionate ointment and cream 0.5 Betamethasone dipropionate ointment 0.05 Halobetasol propionate ointment and cream 0.05 Class 2 Highly potent Mometasone furoate ointment 0.1 Class 3 Potent Betamethasone dipropionate cream 0.05 Fluticasone propionate ointment 0.05 Class 4 Moderately potent Fluocinolone acetonide ointment 0.025 Fluticasone propionate cream 0.05 Mometasone furoate cream 0.1 Class 5 Moderately potent Betamethasone valerate cream 0.1 Hydrocoisone butyrate cream 0.1 Class 6 Mildly potent Desonide cream 0.05 Fluocinolone acetonide solution 0.05 Class 7 Least potent Dexamethasone cream 0.1 Hydrocoisone 1 