<prompt> Most potent topical steroid?HydrocoisoneBetamethasoneClobetasol propionateClobetasone butyrate  <response>: Classification Of Topical Steroids By Potency 1 Very potent 0.05 Clobetasol propionate 0.3 Diflucoolone valerate 0.1 2 Potent Betamethasone valerate 0.025 Fluocinolone acetonide 0.025 3 Diluted potent Betamethasone valerate 0.00625 Fluocinolone acetonide 0.05 4 Moderately potent Clobetasone butyrate 0.05 Alclometasone dipropionate 2.5 5 Mild Hydrocoisone 1 