What is the most effective way to treat dandruff?

Using anti-dandruff shampoos and maintaining scalp hygiene is the most effective way to treat dandruff because these shampoos are specifically formulated to address the underlying causes of dandruff. They typically contain active ingredients like ketoconazole, zinc pyrithione, salicylic acid, or selenium sulfide, which help to control the growth of fungi that can contribute to flaking and itching of the scalp. Additionally, regular use of these specialized shampoos helps to keep the scalp clean and free from excessive oil and dead skin cells, thus reducing the incidence of dandruff.

Maintaining good scalp hygiene is essential as it involves not only regular shampooing but also ensuring that any buildup of oils or products is effectively removed. This cleanliness is crucial in preventing irritation or skin conditions that can exacerbate dandruff.

Other methods, such as using plain water, changing hairstyles, or applying olive oil, may not directly tackle the dandruff issue effectively. While rinsing with water can help remove some flakes, it doesn’t treat the underlying causes. Hair changes don't address scalp conditions, and while olive oil might provide some moisture, it does not contain the antifungal properties needed to combat dandruff effectively.