research Efficacy of betamethasone valerate foam formulation in comparison with betamethasone dipropionate lotion in the treatment of mild‐to‐moderate alopecia areata: A multicenter, prospective, randomized, controlled, investigator‐blinded trial
Betamethasone valerate foam is more effective and safe for treating mild-to-moderate alopecia areata than betamethasone dipropionate lotion.