Is our hair alive or dead.

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I have been asking questions to myself why some people buy hair and make them as wigs and that why they remain the same and wonder why it does not physically change or die. And I also wondered why it gets very dry like broom if we don't take care of it. I was reading this morning about hair. And I would like to share this. It said that despite advertisements that promise glowing "alive" hair if you use products, our hair is in fact quite dead and cannot be revived by lotions. What we call hair is an outgrowth of skin. It grows out of structures called follicles, of which the body has some 5 million-100,ooo are found in the scalp alone. By the time hair emerges into view from its follicle-cocoon deep beneath the skin, it is long since dead; its cells are no longer capable of dividing to produce new hair. Everyday, during the process of combing and brushing, from 50-100 hairs break off. Although the hair is dead, it remains elastic; and wet hair can be stretched to approximately 60% its normal length and it will snap back. That explains why when people dies the hair stays the same because it has long been dead.