Black hair is a hair whose color is black. (it has a great amount of melanine in it, which gives the hair the black color.)
Melanine and carotenoid
Melanine
Because they have more melanine in their skin.
Black spots on your gums can most commonly be either amalgam stains, or melanine spots. If you use to have silver fillings, these can cause amalgam stains in the gums when they are removed. If you are a Black or Indian person, or have black ancestors, you might have melanine spots on your gums. It is best to have them checked by a dentist just to make sure it is not something bad.
no it is located in the dermis
hair plexus are located in the hair root onion shaped blub.they r responsible for light touch senstation
Personally, but not conclusively I imagine that one becomes tanned due to stimulation on the production of melanine in the skin.
From the Papilla which is located at the bottom of the hair follicle.
From the Papilla which is located at the bottom of the hair follicle.
the roots
More germs are in the hair than hands!