Trichorrhexis nodosa causes hair to break easily, often affecting young to middle-aged black women.
16 citations
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January 2015 in “Annals of Dermatology” The study found specific hair and scalp patterns for different types of hair loss in Koreans, noting racial differences affect diagnosis.
4 citations
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August 2013 in “Pediatric dermatology” Hair casts can be treated with physical removal and special shampoos.
January 2021 in “Nasza Dermatologia Online” Plica polonica is a rare condition where hair becomes irreversibly tangled, and the treatment is to cut the matted hair.
October 2015 in “Cosmetic Dermatology” Hair is complex, varies in type, and plays a big role in attractiveness and culture.
17 citations
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July 1977 in “International Journal of Dermatology” Proper shaving techniques and specific topical treatments can help manage pseudofolliculitis barbae.
January 2023 in “SKIN The Journal of Cutaneous Medicine” 1 citations
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September 2003 in “CRC Press eBooks” Hair is important for social and sexual communication in humans.
April 2008 in “Expert review of dermatology” Mutations in the P2RY5 gene cause hereditary woolly hair.
March 2023 in “Journal of Student Research” Humans likely became hairless to better regulate body temperature.
March 1956 in “Institutional Repositories DataBase (IRDB)”
2 citations
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January 2017 in “PubMed” Hair casts are harmless but can be mistaken for head lice.
1 citations
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January 2018 in “Open Scholarship Institutional Repository (Washington University in St. Louis)” Medieval authors used hair in literature to challenge identity and societal norms.
57 citations
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August 1999 in “Archives of dermatology” Hair follicles grow hair and release it through the skin.
13 citations
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August 2007 in “Journal of Investigative Dermatology” Mouse hair can regrow in a special lab setup without serum.
June 2023 in “The Journal of Family Practice” The hair loss is likely due to a fade haircut.
28 citations
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May 1998 in “Journal of the American Academy of Dermatology” Scalp inflammation can cause multiple hairs to grow from one follicle.
30 citations
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January 1994 in “Micron” Mature hair surfaces are formed by keratinized cells with developed layers, not just modified plasma membranes.
12 citations
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November 2014 in “PLOS Computational Biology” The study concluded that hair growth in mice is regulated by a stable interaction between skin cell types, and disrupting this can cause hair loss.
6 citations
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January 1994 in “PubMed” The molecular mechanisms controlling hair growth phases are not fully understood yet.
24 citations
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September 2002 in “Dermatologic Surgery” The study found that hair follicles are above muscle connections in the scalp, which may help protect stem cell areas.
April 2026 in “bioRxiv (Cold Spring Harbor Laboratory)” The Lanyu pig's hair follicles are similar to human ones, making it useful for studying skin healing.
9 citations
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June 2014 in “British Journal of Dermatology” The study found that balding scalps have more thin hairs and larger oil glands, which might contribute to skin conditions related to hair loss.
150 citations
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July 2001 in “Clinics in dermatology” Proper haircare and communication with doctors are key to managing hair loss and avoiding damage.
Understanding hair follicle interactions can help treat male pattern baldness.
November 2022 in “International Journal of Trichology” Older people often experience changes and problems with their hair.