Dermarest Psoriasis Max Strength Medicated Gel with 3% salicylic acid and zinc complex works to treat the symptoms of scaling and irritation associated with psoriasis. Max Strength Medicated Gel is fragrance free and comes with a targeted applicator tip to make treatment easier with less mess. Relieves itching, irritation, redness, flaking, and scaling due to psoriasis and seborrheic dermatitis. Gels should be applied to affected areas one to four times a day or as directed by your doctor. Dermatologist testtargeted and recognized by the National Psoriasis Foundation. Product is sold by the each and the case of 24 bottles. Each bottle is 4 fluid ounces (118 mL).