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  • aging process through gray hair. Pigmanted and gray hair. The stem cells at the hair follicles produce melanocytes, that produce and store pigment. The death of the melanocyte stem cells causes the onset of graying. Calendar #368352640
aging process through gray hair. Pigmanted and gray hair. The stem cells at the hair follicles produce melanocytes, that produce and store pigment. The death of the melanocyte stem cells causes the onset of graying. calendar #368352640
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