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Hair loss, also known as alopecia or baldness, refers to a loss of hair from part of the head or body. [2] Typically at least the head is involved. [4] The severity of hair loss can vary from a small area to the entire body. [7] Inflammation or scarring is not usually present. [4]
Alopecia areata, also known as spot baldness, is a condition in which hair is lost from some or all areas of the body. [12][1] It often results in a few bald spots on the scalp, each about the size of a coin. [7] Psychological stress and illness are possible factors in bringing on alopecia areata in individuals at risk, but in most cases there ...
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.
Minoxidil, applied topically, is widely used for the treatment of hair loss. It may be effective in helping promote hair growth in both men and women with androgenic alopecia. [20][21] About 40% of men experience hair regrowth after 3–6 months. [22]
Non scarring hair loss, also known as noncicatricial alopecia is the loss of hair without any scarring being present. [ 1 ] There is typically little inflammation and irritation, but hair loss is significant. This is in contrast to scarring hair loss during which hair follicles are replaced with scar tissue as a result of inflammation.
Traction alopecia is a type of alopecia or hair loss caused by a chronic pulling force being applied to the hair. [1] It commonly results from a person frequently wearing their hair in a particularly tight ponytail, pigtails, or braids with increased likelihood when hair is chemically relaxed as this compromises the hair shaft's tensile strength resulting in hair breakage.