Area of pores and skin, demonstrating the epidermis and dermis; a hair in its follicle; the arrector pili muscle; sebaceous glands.  Human hair consists of melanin which supplies dark coloration and safety from UV radiation. Human hair can soak up and emit light-weight across an array of wavelengths. The graphic https://hair-salon-in-ottawa43197.bloggazza.com/35024620/not-known-details-about-hair-salon-in-ottawa