Segment Of pores and skin, showing the epidermis and dermis; a hair in its follicle; the arrector pili muscle; sebaceous glands.  Human hair is made up of melanin which supplies dim coloration and defense from UV radiation. Human hair can take up and emit light across a variety of wavelengths. https://messiahqygnu.eqnextwiki.com/5053691/the_greatest_guide_to_hair_salon_in_ottawa