What causes Hair to fall?
To understand the causes of hair loss, we first need
to understand what makes a hair grow. A normal human scalp contains
about 100,000 hair follicles, which like other organs are with you since
birth, with time they mature and further deteriorate. A healthy
follicle produces a healthy hair, nurture and maintains it, and
eventually sheds it off to grow another hair. This process is possible
only if follicle is able to absorb nutrients from blood, maintain its
health and size, and is without any infection or blockage. There are
sebaceous glands attached to each follicle, supplying sebum or an oily
substance rich in vitamin E to lubricate the surface skin. A normal
hair goes through 3 phases in life where in first it grows and keep
growing, which usually lasts for 2-6 years, in second phase hair
gradually cuts self off from the hair producing cells and nutrient
supply in 2-3 weeks, and finally in third phase it completely stops
growing and simply rests on the scalp before falling off in about 3-5
months.
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