Many men and women experience hair fall in winter. The main reason for winter hair loss is mainly due to the cold weather and due to less exposure to the sunlight. Vitamin D is very important for the healthy hair. Lack f sun exposure leads to decreases vitamin D synthesis and hair loss problems. In winter it is also advised to protect your hairs from direct cold winds by wearing a cap and also if any rain fall is there, it is better not to get wet in the rain. This is because rain water is a combination of various polluted materials that would damage your hair.