April 2012 in “Informa Healthcare eBooks” Temporal triangular alopecia is a lifelong condition with hairless patches on the side of the head that may be present from birth.
A 12-year-old girl was misdiagnosed with alopecia areata but actually had a nevus sebaceus with a genetic mutation.
2 citations
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March 2011 in “International Journal of Dermatology” An 18-year-old man was diagnosed with a rare genetic disorder causing hair loss, severe light sensitivity, and skin issues.
July 2025 in “Journal of Medical Science And clinical Research” A 21-year-old male has a rare scalp condition with excessive skin folds.
20 citations
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July 2008 in “Dermatologic Therapy” The document says that treating the root cause of hair follicle damage is crucial to prevent permanent hair loss, and treatment options vary.
3 citations
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January 2021 in “Veterinary dermatology” A litter of cats had a hair condition similar to a mouse mutation, leading to hair loss and abnormal hair and skin.
15 citations
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January 1992 in “Dermatology” Artificial hair implants can cause severe skin problems, often needing surgical removal.
12 citations
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October 1996 in “Dermatologic clinics” Advances in genetics may lead to targeted treatments for hair disorders.
February 2026 in “Journal of the American Academy of Dermatology” January 2026 in “Clinical Case Reports” A 6-year-old girl had both monilethrix and trichorrhexis nodosa, causing brittle hair, with minimal improvement from treatment.
2 citations
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March 2010 in “European journal of dermatology/EJD. European journal of dermatology” A young Caucasian girl had both woolly hair and alopecia areata, which is rare.
19 citations
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July 2011 in “Microscopy and Microanalysis” The hair follicle bulge is an important area for adult stem cells involved in hair growth and repair, with potential for medical use needing more research.
April 2019 in “The journal of investigative dermatology/Journal of investigative dermatology” Disrupting the Tsc2 gene in certain cells leads to thicker skin, larger hair, and changes in hair growth signaling, which can be partly reversed with specific treatment.
17 citations
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July 1984 in “British journal of dermatology/British journal of dermatology, Supplement” The four patients have a unique type of ichthyosis affecting hair follicles.
December 2022 in “The journal of pediatrics/The Journal of pediatrics” A young girl's foot lesion was actually a rare condition caused by a hair fragment under the skin, not a parasite.
1 citations
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May 2023 in “JAMA dermatology” Tight hairstyles can cause hair loss, which can be permanent if not treated early.
January 2012 in “대한미용학회지” Hair follicle stem cells can be cultured, but improvements are needed for longer growth.
15 citations
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November 2008 in “Facial Plastic Surgery” Hair restoration can sometimes result in unnatural-looking hair, wide scars, and poorly designed hairlines, but these issues can be corrected with careful planning, various techniques, and possibly medical therapy.
January 1995 in “Surgical technology international” Using consecutive transposition flaps can manage gaps in hair growth after multiple hair loss surgeries.
34 citations
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December 1995 in “Pediatric Dermatology” Congenital Triangular Alopecia is a rare, non-scarring hair loss that can be surgically treated in females for cosmetic reasons.
1 citations
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January 1967 in “The BMJ” The document concludes that while some hair and scalp disorders can be treated, hair loss from destroyed follicles is permanent, and damaged hair can only regrow naturally.
2 citations
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July 2020 in “Giornale italiano di dermatologia e venereologia” A woman with frontal fibrosing alopecia experienced unusual hair growth after using a specific topical lotion.
78 citations
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June 2003 in “Journal of the American Academy of Dermatology” Curly hair shape is determined by the hair bulb.
5 citations
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January 1985 in “Facial Plastic Surgery” Flap surgery is effective for treating male baldness, offering immediate results with dense hair growth.
April 2017 in “Journal of Investigative Dermatology” Sweat glands and hair follicles are determined by opposing signals, with BMPs promoting sweat glands and blocking BMPs leading to hair follicles.
January 2016 in “Journal of The American Academy of Dermatology” The woman has a type of scarring hair loss with red bumps around hair follicles.
May 2025 in “Journal of Clinical Images and Medical Case Reports” Hair transplants can trigger a rare scarring hair loss that is hard to treat.
5 citations
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October 2020 in “Experimental dermatology” A specific type of skin cell creates an opening for hair to grow out, and problems with this process can lead to skin conditions.