Least potent topical steroid: (A) Clobetasol propionate 0.5%, (B) Betamethasone dipropionate 0.05%, (C) Halobetasol propionate 0.05%, (D) Hydrocoisone 1%
Answer is D. Least potent coicosteroids hydrocoisone 1% desonide 0.05% coisone 25% Fitzpatrick textbook of dermatology page 3363