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
This study found that betamethasone valerate foam was more effective and well-tolerated than betamethasone dipropionate lotion in treating mild-to-moderate alopecia areata, with higher hair regrowth rates observed.