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Permanent hair removal uses chemicals, energy of various types, or a combination to target the cells that cause hair growth. Laser hair removal is an effective method of hair removal on hairs that have color. The laser targets the melanin in the lower third of the hair follicle. [2]
The amount and location of the hair is measured by a Ferriman–Gallwey score. It is different from hypertrichosis, which is excessive hair growth anywhere on the body. [3] Treatments may include certain birth control pills, antiandrogens, or insulin sensitizers. [1] Hirsutism affects between 5 and 15% of women across all ethnic backgrounds. [8]
Hyperkeratosis can also be caused by B-Raf inhibitor drugs such as Vemurafenib and Dabrafenib. [ 2 ] It can be treated with urea-containing creams , which dissolve the intercellular matrix of the cells of the stratum corneum, promoting desquamation of scaly skin, eventually resulting in softening of hyperkeratotic areas.
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Vellus arm hair is usually concentrated on the elbow end of the forearm and often ends on the lower part of the upper arm. This type of intense arm vellus hair growth sometimes occurs in girls and children of both sexes until puberty. Even though this causes the arms to appear hairy, it is not caused solely by testosterone. The hair is softer ...
The skin weighs an average of four kilograms, covers an area of two square metres, and is made of three distinct layers: the epidermis, dermis, and subcutaneous tissue. [1] The two main types of human skin are: glabrous skin, the hairless skin on the palms and soles (also referred to as the "palmoplantar" surfaces), and hair-bearing skin. [3]
In most people, scalp hair growth will halt due to follicle devitalization after reaching a length of generally two or three feet (610mm - 914mm). Exceptions to this rule can be observed in individuals with hair development abnormalities, which may cause an unusual length of hair growth. [15] [better source needed]
The excess keratin, which is the same color as the person's natural skin tone, surrounds and entraps the hair follicles in the pore. This causes the formation of hard plugs (a process known as hyperkeratinization). [4] Many KP bumps contain an ingrown hair that has coiled. [2] This is a result of the keratinized skin's "capping off" the hair ...