7 citations
,
October 2018 in “Journal of Craniofacial Surgery” About 21.3% of young, healthy Chinese men experience hair loss. Hairlines are mostly linear or have a central protrusion. Hair is densest on the top and back of the head, and hair follicles usually have 1 or 2 hairs. This information can help in designing hair restoration procedures.
February 2022 in “CRC Press eBooks” Hair disorders include hair loss, excessive hair growth, and ingrown hairs, with various treatments available depending on the cause.
6 citations
,
April 1989 in “Nuclear Instruments and Methods in Physics Research Section B Beam Interactions with Materials and Atoms” Sulphur in hair follicles increases from the bulb and then levels off, while other elements vary in distribution.
6 citations
,
January 2019 in “The American Journal of Dermatopathology” The conclusion is that fat tissue in the skin is a new finding in Frontal fibrosing alopecia and may contribute to hair follicle and muscle degeneration.
May 2006 in “The American journal of medicine” The man had persistent itchy bumps on his cheeks and neck despite trying different shaving products.
3 citations
,
April 2015 in “American journal of biomedical sciences” Androgens play a key role in hair growth and disorders like baldness and excessive hairiness.
August 2025 in “Brazilian Journal of Hair Health” Hair-related body dysmorphic disorder is common in hair loss patients and needs early recognition for proper treatment.
2 citations
,
November 2024 in “PeerJ” Long non-coding RNAs play a role in hair growth stages of Hetian sheep, affecting wool quality.
28 citations
,
March 2014 in “Biological reviews/Biological reviews of the Cambridge Philosophical Society” The document concludes that hair curvature can be explained by the growth patterns caused by the shape and separation of cells in the hair follicle and is affected by specific molecular pathways.
3 citations
,
April 1990 in “Archives of dermatology” The book reveals diverse patterns of hair growth in different species and advancements in hair and alopecia research.
January 2026 in “MDPI (MDPI AG)” The hairy ear mutation in mice is linked to changes in gene expression affecting hair growth.
8 citations
,
January 2007 in “International Society of Hair Restoration Surgery” The forelock approach in hair transplants improves natural appearance by focusing hair density in one area.
6 citations
,
February 2016 in “American Journal of Dermatopathology” The boy with woolly hair nevus had thinner hair and abnormal hair follicles, which improved with treatment but worsened when treatment stopped.
March 1983 in “The Journal of the American Dental Association” 5 citations
,
August 2005 in “Anatomy and Embryology” Rat skin has a linear system of nerve fibers linked to hair follicles and muscles.
1 citations
,
November 2017 in “Skin appendage disorders” Ingrown hairs are a common feature in scarring alopecias due to follicular damage.
39 citations
,
August 2018 in “Scientific reports” Claudin-1 is important for the barrier function and growth of hair.
25 citations
,
October 2018 in “PloS one” Key genes regulate hair follicle phase changes in Inner Mongolia cashmere goats.
24 citations
,
September 2012 in “Dermatologic Surgery” The conclusion is that normal scalp hair counts for Taiwanese people were established, showing age-related differences but not sex or scalp location differences.
9 citations
,
July 2008 in “Archives of Dermatological Research”
19 citations
,
August 1993 in “Journal of Cutaneous Pathology” Alopecia causes smaller hair follicles and affects growth-related structures.
2 citations
,
January 1975 in “Archives of Dermatological Research” Certain enzymes react strongly with some hormones in rat skin during hair growth, mainly in sebaceous glands and hair sheaths.
20 citations
,
August 2003 in “Clinical and Experimental Dermatology” A new genetic mutation in the hairless gene causes a rare hair loss disorder.
10 citations
,
July 2017 in “Archives of Plastic Surgery” Hair thickness decreases from the upper to lower areas of the back of the head, affecting hair transplant results.
August 1989 in “Proceedings ... annual meeting, Electron Microscopy Society of America/Proceedings, annual meeting, Electron Microscopy Society of America” The research provided a detailed view of the non-keratinous parts of human hair fibers.
March 1997 in “The Lancet” Hirsutism is abnormal male-pattern hair growth in females due to excess androgens.
4 citations
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December 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” Human scalp hair follicles can produce hormones and have a system similar to a brain-body communication network.