Simple answers as to why shampoos don't work.
That is because you need to get into your hair follicles to correct the problems. Shampoos can make your hair looks shiny, but it will not fix the problem permanently. In fact, those shampoos are full of chemicals which actually clogs your follicles and pores. Besides, your hair reflects your body health. We tried all the products and learned it the hard way by spending lots of money!