Historically, coal tar used topically has success in relieving, reducing, and minimizing the itching and scaling in minor cases. The company recommends using various related products for the face, scalp, and body, to keep the lesions supple. Coal tar can make the skin more sensitive to ultraviolet and sunlight. You may be more susceptible to sunburn. Be sure to consider this when sun bathing, using a tanning booth, or receiving UV light therapy.
Coal tar can also cause photosensitivity.
Topical Steroids One of the most common therapies used for mild to moderate psoriasis, topical steroids can be over the counter or prescription strength. A physician should monitor long term use of cortisone steroids. Steroids can cause thinning of the skin, and the body can become resistant, making this an ineffective therapy. Steroids are not recommended for use on the face. Anthralin Anthralin is a chemical that is also used in some dyes.