What is DHT? How does it cause hair loss?
DHT, or Dihydrotestosterone, is an androgen, created from testosterone. It blocks the growth of hair in men and is the cause of most baldness. And even though this is a male hormone, women also have a small amount that runs through their blood, some higher than others. When a female inherits hair follicles that are supersensitive to DHT, they start to lose hair just like men do.
The most important structure of a hair follicle is the dermal papilla, which is responsible for hair growth. DHT cause the hair follicle because shrink and restricts the follicles ability to produce hair growth. This is how DHT is responsible for about 95% of hair loss. In addition to all this, DHT tends to create a wax like substance around the hair roots and it is this accumulation of DHT in the hair follicles and roots that gives rise to male and female pattern hair loss.
However, some people aren't affected by DHT in the scalp but in those who have a genetic tendency to hair loss, the hair follicles are particularly sensitive to the effects of DHT. Not only does a person's hair fall out, they also inherited hair follicles that, when regenerated through the three growth cycles, grow strands of hair that come back thinner and with less pigmentation. This phenomenon also clears up the mystery behind why some people have thinning hair that seems to change color as the person ages.
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