Hair has a root and a stem that springs from the true skin. The sebaceous glands open directly into the follicles of the hair and when these glands malfunction the hair becomes dry. If the sebaceous glands are overactive they will make hair oily when then makes dust and grime stick to them, giving an unkempt and unruly appearance. The pigment that is scattered in varying amounts throughout the hair is what gives the varying tint of hair. If there are numerous air spaces through the cells making up these pigments then white hairs are produced. Hair grows at a rate of about fifteen centimeters or about six inches a year. However, for most individuals hairs have a tendency to fall once they get to a certain length. Once the old hairs have fallen off then new hairs grow out of the papilla. As one ages there is a tendency for hair to lose its natural color. While gray hair as we age is natural, premature graying can be a morbid condition. The factors that can cause premature graying include chronic colds, sinusitis and a overindulgence in emotions such as anger and passion. Other factors can include worry and sudden shock such as the loss of a loved one unexpectedly. Premature graying is also more likely to affect those who wash their hair with hot water and women who use hair dryers than other individuals. Some factors that you can change include taking good care of your hair, avoiding hot water when washing your hair and not using electric dryers which emit a blast of hot air on your hair. The process of graying can actually be made worse by using hair dyes in the early stages of the graying process. Some factory made hair oils can strengthen the tendency of premature graying since they are generally cleaned with acids and some of these acids remain in the oil.
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