Head and Shoulders is a popular brand of anti-dandruff shampoo known for its effectiveness in treating and preventing dandruff. It contains active ingredients like zinc pyrithione and selenium sulfide, which help to reduce the growth of fungi that can cause flaking and itching of the scalp. The brand offers a variety of formulations tailored to different hair types and concerns, including options for dry scalp, oily hair, and color-treated hair. Head and Shoulders is widely available in supermarkets and pharmacies, making it accessible for many consumers seeking relief from dandruff.