Changes
== Hair matrix cell activator ==
* Stem cells of the hair follicle are gathered in interspersed within the basal layer of the outer root sheath and in an area called the bulge.* It is from these Stem cells that migrate to hair matrix cells are formedwhere they start to divide and differentiate.
* Growth and differentiation of the matrix cells are under the influence of substances produced by cells of the dermal papilla.
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