42 citations
,
September 2000 in “British Journal of Dermatology” Some children are born with unusually short, fine hair because their hair growth phase is short, but this often gets better by itself during puberty.
11 citations
,
January 1981 in “Cells Tissues Organs” Human hair cuticle has five cell layers with specific junctions and granules.
10 citations
,
January 2013 in “International Journal of Trichology” More vellus hairs in frontal scalp indicate early female pattern hair loss.
48 citations
,
January 2002 in “Journal of Structural Biology” Trichocyte filaments have a low-density core and may include proteins for hair structure.
November 2018 in “Skin appendage disorders” The document concludes that a woman has both Frontal Fibrosing Alopecia and Lichen Simplex Chronicus, a previously unreported combination of conditions.
46 citations
,
August 1977 in “Journal of Morphology” The big-clawed shrew's sinus hair follicles are highly specialized for sensing vibrations.
1 citations
,
February 2009 in “Journal of Investigative Dermatology” Lipase H is important for hair follicle function and shaping hair fibers.
June 2023 in “British journal of dermatology/British journal of dermatology, Supplement” Tight hairstyles can cause a rare scalp condition with thick skin folds.
5 citations
,
May 2021 in “BMC surgery” A man's unusual scalp folds caused by a skin condition were treated with surgery and remained unchanged two years later.
Pilomatricoma is a rare, harmless skin lump that needs accurate diagnosis and timely treatment.
30 citations
,
January 1994 in “Micron” Mature hair surfaces are formed by keratinized cells with developed layers, not just modified plasma membranes.
October 2024 in “Journal of Cutaneous Pathology” Compound follicles in folliculitis decalvans mainly have active hair follicles.
21 citations
,
June 2023 in “Proceedings of the National Academy of Sciences” Tightly curled scalp hair helps reduce heat from the sun, protecting against overheating.
January 2024 in “Indian Journal of Pharmaceutical Sciences” Relaxing certain muscles might straighten curly hair.
24 citations
,
November 1978 in “Biochemistry” α-type filaments in guinea pig hair follicles have unique structural features.
January 2024 in “Indian Journal of Pharmaceutical Sciences” Relaxing the Arrector Pili Muscle might make curly hair straighter.
April 2023 in “The Medical Journal of Australia” A five-year-old girl has a harmless, unchanging bald patch on her scalp.
March 2021 in “CRC Press eBooks” Trichoscopy helps tell apart Lichen planopilaris and Frontal fibrosing alopecia from other hair loss conditions.
November 2001 in “Dermatologic Surgery” Galea fixation is a safe and effective way to remove bald scalp with minimal scarring and reduced stretch-back.
8 citations
,
March 1990 in “Indian Journal of Dermatology Venereology and Leprology” Cutting matted hair stopped further hair loss caused by homemade shampoo.
15 citations
,
February 2000 in “Journal of Cutaneous Pathology” The arrector pili muscle attaches to the extracellular matrix using α5β1 integrin and connects muscle cells using α1β1 integrin.
July 2022 in “Indian Journal of Otology” A rare ear-area hair cyst was successfully removed from a 10-year-old boy.
8 citations
,
April 1997 in “Experimental Dermatology” hHbl gene is active in hair shaft cells and some pilomatricomas.
January 2023 in “Skin appendage disorders” Two Hispanic women developed Plica neuropathica, a condition causing tangled hair, possibly due to hair damage and various risk factors.
13 citations
,
April 2020 in “Experimental Cell Research” PCAT1 helps hair growth by controlling miR-329/Wnt10b.
September 2025 in “British Journal of Dermatology” October 2019 in “Zenodo (CERN European Organization for Nuclear Research)” Capilcep effectively promotes hair growth and is safe, but long-term effects need more research.
87 citations
,
August 1974 in “Journal of Investigative Dermatology”
March 2026 in “Journal of Skin and Sexually Transmitted Diseases” Long hair can cause hair loss in the middle of the scalp, and cutting it shorter helps.
10 citations
,
November 2019 in “Journal of the European Academy of Dermatology and Venereology” The RAS pathway affects hair growth differently in CFCS and CS.