Up to 80% of patients with psoriasis experience scalp psoriasis.1–3 Compared with other forms of psoriasis, scalp psoriasis can pose a therapeutic challenge because the presence of hair affects application and penetration of topical treatments, and some formulations lack cosmetic appeal, are greasy and can be difficult to wash out.4,5 Patient dissatisfaction with scalp psoriasis therapies results in diminished adherence to treatment, which affects efficacy.4,6,7 Scalp psoriasis is associated...