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Frictional alopecia is a non-scarring alopecia that may result from something rubbing against the hairs or from a self-inflicted tic disorder. [3]Friction alopecia, when self-inflicting, is called trichoteiromania, a psychiatric condition marked by obsessive hair rubbing.
Although traditionally associated with the scalp, poliosis can affect any hairy area on the body, including eyebrows, eyelashes, and beards. Microscopically, poliosis is marked by the lack of melanin or melanocytes in the hair bulbs , though epidermal melanocytes typically remain unaffected unless associated with conditions like vitiligo .
Trichotillomania is usually confined to one or two sites, [9] but can involve multiple sites. The scalp is the most common pulling site, followed by the eyebrows, eyelashes, face, arms, and legs. [10] Some less common areas include the pubic area, underarms, beard, and chest. [11]
Want to know what that bump, sore, scabs or red irritation on your scalp means? Here are the most common scalp conditions, with photos and treatments. 7 Common Scalp Issues — And How to Treat Them
Other symptoms to note: This condition is itchy and can cause dandruff and buildup on the scalp. It’s also common on other oily areas, like the face and chest , and can be difficult to treat. Dr.
Scalp psoriasis is an inflammatory and chronic autoimmune disease and is a common cause of scalp scabs and discolored patches of skin on and around the scalp. It can also affect other parts of the ...
Trichorrhexis nodosa is a defect in the hair shaft characterized by thickening or weak points (nodes) that cause the hair to break off easily. [ 2 ] [ 3 ] : 636 This group of conditions contributes to the appearance of hair loss , lack of growth, and damaged-looking hair.
The most common area affected is the scalp, particularly the occipital and temporal regions. But the eyelashes, pubic hair, axilla, and eyebrows could also be affected. [5] Typically, pili torti just impact a portion of the hair and do not alter the entire length of the hair. [6] Occasionally, isolated pili torti might be discovered in a ...