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“Folliculitis is an inflammatory process of the hair follicles that usually occurs as a result of microorganisms within the hair follicle,” says Dr. LoGerfo. “An individual can develop ...
A theory behind the condition is that nerves innervating scalp hair follicles send pain messages back to the brain when the follicle no longer has a hair in it, in a similar way to phantom limb pain. Another theory is that people who have this condition (sometimes called "ponytail syndrome") have super-sensitive nerves in their scalp.
Hard waxes, heavy gels, sticky hairsprays, and dry shampoo that accumulate around the hair follicles can irritate and inflame them, leading to dirty hair pain. “If you continue to use hair ...
In alopecia areata, a hair follicle is attacked by the immune system. T-cells swarm the roots, killing the follicle. This causes the hair to fall out and parts of the head to become bald. Alopecia areata is thought to be a systemic autoimmune disorder in which the body attacks its own anagen hair follicles and suppresses or stops hair growth. [22]
Health. Home & Garden
Merkel nerve endings (also Merkel's disks, [1] or Merkel tactile endings [2]) are mechanoreceptors situated in the basal epidermis as well as around the apical ends or some hair follicles. [2] They are slowly adapting. They have small receptive fields measuring some milimeters in diameter. Most are associated with fast-conducting large ...
Pain or tenderness: The affected areas might be sore or painful to touch. Redness and swelling: The skin around the follicles can become red and swollen. Crusting and flaking: The scalp may ...
Hair follicle with mesenchymal dermal papilla, labelled at top, location of hair follicle stem cells and thought to be site of action of DHT. Type 1 and 2 5α reductase enzymes are present at pilosebaceous units in papillae of individual hair follicles. They catalyse formation of the androgens testosterone and DHT, which in turn regulate hair ...