Monday, February 28, 2011

Greying of Hair

Greying hair, like wrinkled skin, is a manifestation of the ageing process. The main cause of the greying hair is the genetic inheritance. When hair starts greying permaturely, it can cause a great deal of anxiety and hopelessness. But in half of all Caucasoid people, half the hairs on the scalp are grey by the age of 50. However, as a person grows older and reaches middle age, more and more of these pigment cells die and colour is lost from individual hairs.

Grey Hair, gives the indication of improper protein synthesis. The pigment melanin is responsible for the change of hair colours. The pigment cells are located at the base of each hair follicle produce the natural dominant colour of our youth. The hair has a tendency to lose its natural colour with advancing age and turn grey, but premature greying is a morbid condition and it makes even the young look older. The hair is an appendage of the skin. It is composed of the same kinds of cells as are found in the outer layer of the skin, which is known as the epidermis.

Grey hair is one of the familiar sign of aging. The stem is generally rounded and varies greatly in thickness, while in the case of a curly hair, it is oval or tlattened in section. The hair has a tendency to lose its natural colour with advancing age and turn grey, but premature greying is a morbid condition and it makes even the young look older. This causes a great deal of concern to affected persons, especially women.

The hair is an appendage of the skin. It is composed of the same kind of cells as are found in the outer layer of the skin, known as epidermis. It grows from a hair follicle which is a deep recess in the epidermis. The sebaceous glands of the scalp secrete an oily substance called sebum, which is the source of nutrition, lustre and blackness of the hair. The hair cannot be fed externally, for such nourishment as the scalp requires must come to it from the bloodstream.

Causes of Greying of Hair

The common Causes of Greying of Hair :
  • Lack of certain vitamins in the body.
  • Genetic factors.
  • Worries and tension .
  • Dietic errors .
  • Unhygienic habits like unclean scalp . 

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