Neutrogena® T/Gel® Therapeutic Shampoo is a fragranced medicated shampoo, which should be used as often as needed or as recommended by your dermatologist or doctor, for the treatment of itchy, flaky scalp disorders such as dandruff, seborrhoeic dermatitis and scalp psoriasis. Regular use helps control these problems, while leaving your hair shiny and manageable.Directions For Use:Wet hair thoroughly. Apply liberal amounts of Neutrogena® T/Gel® Therapeutic Shampoo and massage into scalp. Leave lather on scalp for several minutes. Rinse. Repeat application. Rinse thoroughly. If there is no improvement after 6 weeks consult your doctor.