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Hair Growth

Our hair grows approximately 13 mm a month.  When we are highly active, growth usually slows down and we may even begin to experience hair loss.  The active growing phase of an individual hair is called anlagen phase; usually the hair growth could be 18 – 30 inches.  The hair then goes into an intermediate or transitional phase called the cartage phase just before entering the tillage phase in which it rested for about a hundred days and then falls out.  About 85 to 90 percent of all the hair on the head is in an active growing phase at any given moment, while 10 to 15 percent is resting.  Each hair grows at different rates.  Under normal healthful conditions, you don’t need to be concerned that they will rest and fall out the same time.

 

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