Being the protective layer of our body, hair and skin act as the first barrier to pollution. Various pollutants, including small airborne particles, large suspended particles, smoke and gaseous pollution, come in direct contact with the scalp and hair, thereby causing irritation, damage and other associated dermatological conditions. 
You will be surprised that your scalp holds about 1 lakh strands of hair. All of us lose 50 to 100 strands every day. Do not panic. This is a natural process so that your old hair follicles can make way for new and fresh ones. But if the loss is copious, you need to scratch your head, not literally though, for a solution. Otherwise, you may first have a bald spot and then baldness. Unless you are bold enough to believe that bald is beautiful, you will have to take appropriate preventive steps.
If your hair is exposed on a regular basis to pollutants it may cause oily scalp, dandruff, itchy scalp, pain at the hair roots and of course, hair fall. Actually, these pollutants settle on the scalp and harm the hair from within. The pollutants basically get into hair follicles causing hair loss and oxidative stress. 
For people living in highly industrialized areas, harmful chemicals let out from factories can cause damage to the hair. These chemicals cause hair follicles to become weak leading to hair fall. Pollutants contained in cigarette smoke (which has carcinogens) and dust can also trigger hair loss. 
It is evident that pollution affects our hair health adversely, leading to effects ranging from itchy scalp to hair loss. Therefore just like you take care of your body and skin, you need to pay attention to your hair too, particularly when you’ve got a range of air pollutants to deal with. For most of us, hair defines our personality. Having thick, lustrous and well groomed hair can make you stand out in a crowd. So, spend some extra time every day to take care of your hair.
. Understanding Hair Loss due to Air Pollution and the Approach to Management , Open Access , OMICS Publishing Group. 2015. Understanding Hair Loss due to Air Pollution and the Approach to Management , Open Access , OMICS Publishing Group. [ONLINE] Available at: http://www.omicsgroup.org/journals/understanding-hair-loss-due-to-air-pollution-and-the-approach-to-management-2167-0951-1000133.php?aid=47705. [Accessed 24 September 2015].
. Understanding Hair Loss due to Air Pollution and the Approach to Management. 2015. . [ONLINE] Available at: http://www.omicsgroup.org/journals/understanding-hair-loss-due-to-air-pollution-and-the-approach-to-management-2167-0951-1000133.pdf [Accessed 16 September 2015].
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