
Although hair is not essential to life, it is of sufficient cosmetic concern to provoke anxiety in anyone when it starts thinning, falling, or disappearing. To a woman, the sight of a comb or brush covered with lost hair can cause intense mental strain. Hair is formed in minute pockets in the skill called follicles. An upgrowth at the base of the follicle, called the papilla, actually produces hair when a special group of cells turn amino acids...