Abnormal increases in phosphodiesterase activity have been demonstrated in psoriatic cells. It most often occurs in body folds or on the scalp and is accompanied by recurrent plaque formation, peeling, and a slightly inflamed skin surface. Fumago cream and solution helps alleviate the above complaints. It is recommended for the treatment of atopic dermatitis and psoriasis, as well as for the care of dry, asymptomatic skin.
