The main problem of hair mostly in winter is Dandruff. Though we take alot of care and even consult doctors also, we cannot escape from this problem. We can control and get rid of dandruff by making few  changes in our diet and some care.
Let see few tips and reasons 
1. Take handful of fenugreek seeds and soak them in water before day at night. Then make them into fine paste. Then apply this paste to your hair. After 20minutes  take bath with herbal powder. Before applying fenugreek paste or before having hair bath, try to apply coconut oil. coconut oil is a best medicine to remove dandruff.
2. The people who are suffering from dandruff and itching problem, the main solution for them is using lemon oil to hair. Try to mix lemon oil in warm water and apply to your hair. This gives a good result.
3. According to the thickness of your hair , mix white egg yolk and lemon juice. Then apply this mixture to your hair. After few minutes take bath with a soap or shampoo which contains lemon qualities.
4. Apply the mixture of 1 spoon badam oil and 1spoon olive oil to your hair. After half an hour wash your hair and take bath. Then with in a week dandruff problem will get solved.
5. Try to avoid eating fried food and try to have fresh fruits, vegetables. This gives a good result. The usage of cheap quality gels, shampoos increases dandruff.
6. For thick hair, choose think shampoo and try to massage your hair with the shampoo before washing your hair. Rinse your hair thrice after washing your hair with shampoo.so that dandruff and shampoo leave your hair completely. Same way for thin hair but choose thin shampoo.
7. After washing your hair, dry your hair thoroughly and so that your hair should not be wet. If your hair is wet then dandruff will be entering into the hair and again dandruff problem starts.
8. Try to clean your combs, once in a weeks.
9. Try to wash your hair twice a week.
10.Try to wash your hair in such a way that, shampoo should completely washed away from your hair or there may be the occurance of the dandruff if the shampoo is remained in the hair.
11. Never expose your hair to sun and even in the dusty areas especially in polluted areas. This 
also lead to dandruff problems.