Terrible idea: Please forgive my frankness. Betamethasone can make your skin atrophy and it won't help at all. Red and brown post-acne marks need to fade on their own. The acute lesions will probably be made worse by the betamethasone. Scientific acne rx starts with benzoyl peroxide as tolerated, and if this does not clear you, getting prescription-strength rx from your physician. Best wishes.
Answered 3/3/2018
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