This shampoo starts working after the first wash to help stop itching, reduce redness, and begin to treat the symptoms of dandruff, seborrheic dermatitis, and psoriasis. This fact-acting shampoo starts to work on the first day so you can feel better after the first wash. The medicated formula helps to reduce and prevent recurring symptoms of skin and scalp itching. Do not use for prolonged periods without consulting a doctor. Reduces redness, irritation and flaking associated with dandruff (seborrheic dermatitis) with an advanced formula so you can feel confident in your skin and scalp For all hair types For best results: use at least 2xs a week or as directed by a doctor Advanced medicated formula includes 0.5% coal tar to help reduce itch and treat the symptoms associated with dandruff, seborrheic dermatitis and psoriasis. Made in UNITED STATES Wet hair thoroughly. Apply the shampoo into the scalp and massage. Lather and leave on hair and scalp for several minutes. Rinse and repeat. For best results use at least twice a week or as directed by a doctor.