Hair growth is due to the continuous division of the basal cells of the hair growth is due to the continuous division of the basal cells of the hair papilla hair shaft hair root hair matrix

Hair Matrix

The hair matrix is wrapped almost totally around the papilla. It is a collection of cells, primarily comprising of epithelial cells and some pigment-producing cells called melanocytes. The continuous division of cells in the hair matrix forms the hair shaft (the strands of hair that we actually see) and the inner and outer root sheaths of the hair. 

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