Head and shoulders anti-dandruff shampoo is not an overrated shampoo. I have used it so many times, and I have even recommended it for a lot of people. The problem with people is that they often fail to realize is that most of the things we use on our hair contain chemicals that have the potential of producing a kind of reaction that will result in something we don't like. As much as you might experience this with a lot of other shampoos, the effect of head and shoulders anti-dandruff shampoo is very minimal.
At times, what is causing the changes, you're noticing might not even have any connection with the shampoo that you are using at that moment. For me, head and shoulders anti-dandruff shampoo has most times proved to be the perfect anti-dandruff product that can be used to get rid of flakes and other particles that are damaging your hair.