The real-life prescribing and utilization patterns of topical prescription products approved for treatment of psoriasis vulgaris in the individual participating countries will be mapped and performance of the products in real life will be investigated based primarily on baseline data from investigators and patient reported data contributed by the individual patient for 1 year. Patients are expected to enter data on their electronic device at baseline and at times of treatment changes and other key events, and investigators are expected to contribute data after each contact with the patient.