Answer
Yes. Betamethasone dipropionate is a potent topical corticosteroid; the percentage on the pack does not by itself indicate potency.
Sources for this answer
- Betamethasone + Salicylic Acid 0.05% w/w + 3% w/w ointment — Current selected SmPCemc · Summary of Product Characteristics
General medicine information. Follow the instructions for your own medicine and speak to a pharmacist or clinician about your individual circumstances.