If your scalp is flaking so much and so regularly, perhaps it might be a good idea to visit a Trichologist. They can help diagnose the condition of your scalp and the best way to treat it. You can find them in your yellow pages or search in our ukhairdressers.com directory for the nearest consultant. Your doctor might be able to help also. ...More >
Prior to that you could however look at a few things like
a) changing your shampoo. Perhaps your hair has become conditioned to the shampoo you are currently using. Try a good quality dandruff shampoo.
b) scalp treatment for dry skin. Some of your chemist stock none greasy product that you can use on your scalp to help reduce or calm this problem.
c) Drink a lot more water, when your skin is drying in any particular area it could be due to hydration. d) try your health shop for natural products for skin, hair and nails. They might also do some good natural shampoo that may suit you better. You could be reacting to some of the chemicals in the commercial shampoos.
e) try not to wash your hair so often, especially if you are not using a gentle shampoo designed for everyday use.
One or more of the above combination should help you to resolves your situation in the medium term.