Knowhow-Now Article

Understanding Hair Growth Cycles And Hair Loss

We all lose a certain amount of hair each day - anywhere from 50 to 100 to 125 hairs. True hair loss occurs when these hairs we lose don't grow back, or when the amount of hair we lose each day exceeds this normal range.

Tip: More than 60% of adult men have some kind of loss of hair, starting in their mid-twenties; everyone must prepare for it. DHT is a byproduct of testosterone, and hunts down your hair and damages it, so particular things must be done to reduce your chances of this happening.

Hair loss can occur as a result of medications, such as chemotherapy treatments or blood thinners, which can damage the telogen hairs, or stop the natural cell division that then produces weakened hair that is susceptible to breaking. High doses of vitamin A can also lead to hair loss as well. The most common type of hair loss, however, is where more and more hair follicles enter what is called the resting phase (telogen phase) in the hair growth cycle.

Tip: If you are a male experiencing excessive hair loss, there is a good way to ease into accepting it. If you are losing your hair, there are some haircuts that will still look good on you.

Overall, hair grows continuously from the scalp, but it moves away from the scalp in 3 phases. Hair is not all uniformly in one phase. Different parts of the scalp will be in different phases, so at any one time you should have hair follicles in all 3 stages. Generally, most (90%) of the hair will be in the anagen phase, 10 to 14% of the hair will be in the telogen phase, and only 1 to 2% of hair in the catogen phase.

Tip: Consume more vitamin C if your want to reduce hair loss. It helps the blood flow and makes your capillaries stronger.

The first phase is the Anagen phase, which is the growth phase. This can last anywhere between 2 and 8 years. A shorter anagen phase will limit how long your hair can grow. Hair cells at the root divide rapidly, which lengthen the hair shaft.

Tip: If you're worried about your hair thinning, then encourage hair growth by stimulating your scalp. You can do this by brushing dry hair and your scalp with a hard bristle brush.

In the next phase, the catagen phase, the outer root of the hair follicle shrinks and attaches to the root of the hair. Hair growth stops here. This phase lasts 1 to 2 weeks.

Tip: Your hair style may be contributing to your hair loss. Avoid excessively pulling your hair, or keeping it tied tight with a rubber band.

The telogen phase is the resting phase. This lasts from 5 to 6 weeks in normal hair. Hair doesn't grow in this phase, but it stays firmly rooted in the scalp as long as the follicle stays in a resting phase below it. New growth begins at the end of the resting phase, and this is when natural hair shedding will happen, as the new growth pushes the old hair out.

In male pattern baldness, more hairs enter the telogen phase. This effects of this are an increase in hair shedding. Hair gradually becomes thinner and shorter, and in the end, the hair follicles shut down.

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