24 citations
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March 1995 in “British Journal of Dermatology” This study reported that etretinate treatment leads to increased hair shedding due to a sustained decrease in anagen duration, with an arrest at the onset of anagen and a follicular anchorage defect in telogen contributing to alopecia.
8 citations
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March 2010 in “The journal of investigative dermatology/Journal of investigative dermatology” This study found that weakened anchorage of hair shafts, associated with the abnormal expression of 14-3-3σ, may contribute to alopecia in Er/+ mice.
August 2026 in “International Journal of Cosmetic Science” This study found that shed hairs from the root significantly outnumber broken hairs during hair fall, particularly in Chinese male and female participants, with shedding predominantly occurring during washing.
12 citations
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March 2018 in “Australasian Journal of Dermatology” This letter to the editor discusses the use of systemic minoxidil for loose anagen hair syndrome, noting a significant change in hair color, but reports no new study results.
24 citations
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September 2002 in “Dermatologic Surgery” This study describes the anatomy of arrector pili muscles in scalp hair follicular units, proposing a model where a single muscle structure is shared by all follicles within a unit.
