The effectiveness of anti-dandruff shampoos, such as Head and Shoulders, in reducing scalp flaking and itching is not instantaneous. The timeframe for visible improvement varies depending on the severity of the dandruff, the frequency of use, and individual skin characteristics. Consistent and correct application is vital for achieving optimal results. For instance, someone with mild dandruff may see a noticeable difference within a week, while someone with a more severe case may require several weeks of consistent use.
Regular use of anti-dandruff shampoos is important to maintaining a healthy scalp and controlling dandruff symptoms. These shampoos contain active ingredients, such as zinc pyrithione or selenium sulfide, which target the fungus Malassezia globosa, a common cause of dandruff. Furthermore, anti-dandruff shampooing practices have evolved, as have active ingredient formulations over the years, offering improved results and user experiences.