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Facial hair is hair grown on the face, usually on the chin, cheeks, and upper lip region. It is typically a secondary sex characteristic of human males . [ 1 ] Men typically start developing facial hair in the later stages of puberty or adolescence , at around fourteen years of age, and most do not finish developing a full adult beard until ...
This includes autoimmune diseases like alopecia areata, severe stress (a type of hair loss known as telogen effluvium), or traction alopecia, hair loss that develops when tight hairstyles or ...
Shaving can be done with a straight razor or safety razor (called 'manual shaving' or 'wet shaving') or an electric razor (called 'dry shaving') or beard trimmer. The removal of a full beard often requires the use of scissors or an electric (or beard) trimmer to reduce the mass of hair, simplifying the process.
Scalp hair was reported to grow between 0.6 cm and 3.36 cm per month. The growth rate of scalp hair somewhat depends on age (hair tends to grow more slowly with age), sex, and ethnicity. [3] Thicker hair (>60 μm) grows generally faster (11.4 mm per month) than thinner (20–30 μm) hair (7.6 mm per month). [4]
In many cases, the hair is growing back faster or thicker due to the hormonal changes in puberty, or because of the way shaving can make hair appear darker or thicker. This article was originally ...
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A beard is the hair that grows on the jaw, chin, upper lip, lower lip, cheeks, and neck of humans and some non-human animals. In humans, usually pubescent or adult males are able to start growing beards, on average at the age of 18.
A relatively small number of women are able to grow enough facial hair to have a distinct beard. In some cases, female beard growth is the result of a hormonal imbalance (usually androgen excess), or a rare genetic disorder known as hypertrichosis. [6] Sometimes it is caused by use of anabolic steroids.
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