Halobetasol

Ulobetasol (INN) or halobetasol (USAN) is a corticosteroid used to treat psoriasis.[1][2] It is a class I corticosteroid under the US classification and a group III corticosteroid under international classification, the most potent group of such drugs.[3][4] Ulobetasol propionate is usually supplied as a 0.05% topical cream.[1] Ulobetasol is the strongest topical steroid available.[citation needed]... [wikipedia]