Middle class is the most dense layer called khothek (Cortex) is the main element is the beard, and as the new mail nathaerok-storey la live hair with different colors.
The middle layer is the thickest layer called the cortex (Cortex) is a major component of keratin and melanin layers are inserted into the hair a different color.
The middle layer is thick layer, called the cortex (Cortex) with keratin is the main component and a layer with melanin inserted makes the hair of various colors.