Is your hair dry or looking dull? Is your scalp itchy or flaky? If your answer is yes, it may be time for Botanical Shampoo. It is a therapeutic, conditioning cleanser that helps control the itching and flaking associated with scalp irritants. It contains the active ingredient Zinc ?Pyrithione, known for its ability to dissolve dandruff flakes and removes sebum deposits that can cause itching and hair loss. Dry, Itchy, Flaky Scalp. Nourishes and Soothes. Healthy Scalp.