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Filter by:- Psoriasis is a chronic relapsing dermatological disease which often necessitates a long-term therapy and occurs in a significant percent of the population . It affects the skin and sometimes the nails and joints of patients . - Psoriatic patients are frequently categorized into two groups: mild or moderate to severe psoriasis, depending on the clinical severity of the lesions, the percentage of affected body surface area, and patient quality of life . - Topical drug therapy is the cornerstone in the treatment of mild to moderate psoriasis. It offers a direct targeting of affected skin by avoiding systemic adverse events . - Several topical therapies are available for the treatment of psoriasis such as topical steroid , topical vitamin D3 analogues (calcipotriol),tar, anthraline, topical tacrolimus (a non-steroidal calcineurin inhibitor) and tazarotene (a third-generation retinoid) . However, they do not provide an adequate response owing to the inadequate percutaneous absorption and poor patient compliance caused by greasiness and stickiness of some formulations, and some patients even remain untreated . - So that, patient satisfaction with available topical treatments remains modest .