The Hair's Life Cycle

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Practically all living things and processes have a cycle, and hair is no different. Hair's life cycle has three phases, the anagen, catagen, and telogen phases. Each phase has its own special characteristics that can prove useful in the investigation of a crime. The first, the anagen phase, is a phase of active growth, in which about eighty-five percent of the hairs on a person's head are in. During this phase, new hair fibers are produced when cells in the papilla divide, and the follicle nourishes these new strands by burying itself into the skin's dermal layer. This phase lasts from two to six days, and determines the length of an individual's hair based on how long it does last. This phase also varies in length based on where the hair

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