Blond hair is the results of getting very little pigmentation inside the hair strand. Grey hair occurs when melanin generation decreases or stops, whilst poliosis is white hair (and infrequently the skin to which the hair is attached), generally in places that by no means possessed melanin in any way, or ceased for all-natural good reasons, usually

When the human body is simply too cold, the arrector pili muscles located hooked up to hair follicles stand up, leading to the hair in these follicles to try and do the same. These hairs then kind a warmth-trapping layer higher than the epidermis. This process is formally known as piloerection, derived with the Latin text 'pilus' ('hair') and 'erec