substitutions omissions and changes may be made without departing from the scope of the present invention the amounts of said compounds being used may be varied in accordance with the specific requirements the present invention will now be illustrated with reference to the following examples and figure annexed hereto without being limited by them a 40 yrs old male subject with chronic psoriasis was administered a cream composed of 0 04 w w sumatriptan dimethicon capric caprylic triglyceride mineral oil cetyl alcohol amp glyceryl stearate amp peg 75 amp ceteth 20 amp steareth 20 cetearyl alcohol shea butter glycerin triclosan propylene glycol sodium benzoate methylisothiazolinone in water it was used for five days once daily on one elbow the subject was examined and disappearance of scales was prominent on the treated side healthy skin with normalization was noted as well on the elbow no change was observed on psoriasis lesions on the untreated side the subject was instructed to use the cream once daily on the complementary elbow again within about three days the scale disappeared and skin turned into normal within the next week a 51 year old male subject with scales on both elbows was recruited the subject used twice.