Changes
* Hair Structure - [http://www.pg.com/science/haircare/hair_twh_12.htm]
* Hair Cycle - [http://www.follicle.com/hair-structure-life-cycle.html]
[[Image:HairbasicsHairbasic.jpg|thumb|center|400px|Structure of Hair root and Hair bulb]]
=== What causes hair loss? ===
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