General Health | How to take care of your hair by preventing damage

To better take care of your hair you must learn about its structure, and how it grows. As many of us already know our hair is made up of protein, more specifically the protein known as keratin. The keratin is assembled into a filament in the hair follicle located in our skin. Since the hair strands themselves perform no function other than helping to regulate body temperature and protect the body, the stands themselves are considered to be "dead" once they exit the follicle where they're assembled. If we were to look at a cross section of our hair, you would see that it is made up of three basic layers. The innermost layer is called the medulla, and is an unstructured region of the hair. The middle layer is the cortex, and is responsible for the mechanical strength, shape and color of our hair. The outermost layer is the cuticle layer acts as the first protective layer, and is covered with a lipid or fat layer that helps to repel water. The cuticle layer is also responsible for giving us that healthy shine.
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