Friends I am using head and shoulder shampoo from 10 years and I complety dependent on this because this is the only product that solve my dandruf problem every time I had dandruff. Usually I get dandruff in my hairs during winters and it is verry irritating when soneone ask you that you have dandruff so whenever I had problem of dandruff I strongle recommend myself to use this and I also reccomend you to use this to solve the dandruff problem instantly .the company have spend huge funds on its advertisementd and this is the famous brand for dandruff removing so please get this product for removing danruff it does nat cause any type of allergi it is totally safe