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In the case of male pattern hair loss, in susceptible men, a hormone called dihydrotestosterone (or DHT), which is a derivative of testosterone, causes hair follicles to undergo a process called ...
Male- or female-pattern baldness, also called androgenetic alopecia, is the most common reason for hair loss. It’s caused by an inherited sensitivity to the hormone dihydrotestosterone, or DHT.
In male-pattern hair loss, loss and thinning begin at the temples and the crown and hair either thins out or falls out. Female-pattern hair loss occurs at the frontal and parietal. People have between 100,000 and 150,000 hairs on their head. The number of strands normally lost in a day varies but on average is 100. [9]
Frictional alopecia is the loss of hair that is caused by rubbing of the hair, follicles, or skin around the follicle. [1] The most typical example of this is the loss of ankle hair among people who wear socks constantly for years. [2] The hair may not grow back even years after the source of friction has ended.
The most common cause is androgenetic alopecia, also known as male pattern or female pattern hair loss due to the effects of dihydrotestosterone (DHT) on the hair follicles. A variety of factors may lead to this condition such as hormonal effects , age, diet, autoimmunity , emotional stress, physical stress, drug effects, genetics , or infections .
Alopecia occurs for various reasons, including genetics, autoimmune disorders where the immune system attacks hair follicles, hormonal changes, medical treatments like chemotherapy, or other factors.
Pattern hair loss (also known as androgenetic alopecia (AGA) [1]) is a hair loss condition that primarily affects the top and front of the scalp. [2] [3] In male-pattern hair loss (MPHL), the hair loss typically presents itself as either a receding front hairline, loss of hair on the crown and vertex of the scalp, or a combination of both.
Traction alopecia. Constant tension or strain on the hair damages the follicle, impacting the ability for blood flow and nutrients to reach it and can ultimately result in permanent hair loss, Dr ...