Hair and Hair Types

Each strand of hair is a protein fiber that grows from a follicle which can be found in the dermis, or skin. In this article, we’re going to go over the structure of hair, how it grows, and the different types that exist in humans. Hair Structure Hair fibers have a structure made up of several layers. Each hair is made up of three elements: the medulla, cortex, and cuticle. To put it simply, the innermost layer is the medulla, the middle layer is the cortex, and the outer layer is the cuticle. As we said, the outer part of…

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