Human hair growth a new strand of hair begins to form. The rate or speed of hair growth is about 1.25 centimetres or 0.5 inches per month, or about 15 centimetres or 6 inches per year. The anagen phase is known as the growth phase. This is the phase where the hair physically grows approximately 1 cm per month. It begins in the papilla and can last from two to six years. The span at which the hair remains in this stage of growth is determined by genetics. The longer the hair stays in the anagen phase, the longer it will grow. During
Long hair were expected to tie up their hair in styles such as the ponytail, plait, or any bun, as a symbol of responsibility. The traditional connotation of "long hair" in English meant, roughly, someone artistically knowledgeable or wise, an aesthete. As a descriptive term, it has been applied to Merovingians and classical music enthusiasts, as well as hippies and aesthetes. Hair length is most often measured (in centimeters or inches) from the line of the scalp on the forehead up over the highest point of the skull to its termination, and sometimes from the crown, the latter resulting in 10 centimeter