Don’t brush off topical therapies for psoriasis
Don’t forget coal tar. Simple, but effective, coal tar is a proven safe topical psoriasis treatment and is available in several vehicles, including solution and foam. Data from a study of more than 13,000 patients with psoriasis and eczema found that coal tar was safe, and that it did not increase the risk for skin cancer (J. Invest. Dermatol. 2010;130:953-61).