This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: miscellaneous, Subject name: Dental
[{'content': 'Least potent topical steroid \nSelect and explain. \nA. Clobetasol propionate 0.5%, B. Betamethasone dipropionate 0.05%, C. Halobetasol propionate 0.05%, D. Hydrocoisone 1%', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Least potent coicosteroids hydrocoisone 1% desonide 0.05% coisone 25% Fitzpatrick textbook of dermatology page 3363', 'role': 'assistant'}]