January 2023 in “Skin appendage disorders” Hair restoration surgery can change the appearance of hair when examined with a special magnifying tool.
20 citations
,
April 2011 in “British Journal of Dermatology” Reflectance confocal microscopy can tell apart white dots on the scalp as either sweat gland ducts or hair follicle openings.
5 citations
,
April 2006 in “Skin Research and Technology” Scalp coverage scoring accurately measures hair loss and treatment effectiveness.
199 citations
,
July 2007 in “General and Comparative Endocrinology” Hair cortisol can reliably indicate chronic stress in cats and dogs.
6 citations
,
December 2018 in “The American Journal of Dermatopathology” Early shedding of the inner root sheath in noninflamed hair follicles is a relatively specific sign of Central Centrifugal Cicatricial Alopecia.
September 1998 in “Journal of the European Academy of Dermatology and Venereology” January 2017 in “Durham e-Theses (Durham University)” Chemical stressors damage hair structure but the skin's outer layer protects living cells.
2 citations
,
May 2020 in “Journal of the American Academy of Dermatology” Hair shaft changes may be linked to CCCA, but their role is unclear.
58 citations
,
April 2009 in “Dermatologic Surgery” Most women have a widow's peak and specific hairline features useful for designing hair restoration surgery.
January 2003 in “Research Portal (King's College London)” Hair color affects light reflection, with black hair having higher cuticle angles and lighter hair showing less specular reflection.
June 1996 in “Journal of Dermatological Science”
May 2025 in “Archives of Dermatological Research” Patient-reported hair improvements align with actual hair density changes, not hair width.
April 2025 in “Pediatric Dermatology” Scalp biopsies are essential for diagnosing congenital alopecia areata.
5 citations
,
July 2024 in “International Journal of Women’s Dermatology” Scalp allergic reactions are often missed, needing specific tests and avoiding certain hair products for proper treatment.
August 2021 in “Journal of Investigative Dermatology” Stress causes hair loss by making the body produce cortisol, which stops hair cells from growing.
8 citations
,
May 2005 in “The American journal of dermatopathology/American journal of dermatopathology” The hair defect is due to abnormal inner root sheath keratinization.
September 2023 in “International journal of Unani and integrative medicine” Hair loss patterns are linked to temperament and can help diagnose it.
4 citations
,
January 2007 in “Sen'i Gakkaishi” Permed hair degrades faster and shows more damage after protease treatment compared to untreated hair.
April 2026 in “Scientific Reports” The tool accurately tracks eyebrow hair loss in chemotherapy patients.
February 2026 in “Zenodo (CERN European Organization for Nuclear Research)” Trichoscopy is important for planning treatment of hair loss after burns.
November 2021 in “CRC Press eBooks” Hair shaft disorders cause fragile, brittle, and abnormal-looking hair.
15 citations
,
January 1992 in “Sen'i Gakkaishi” The Cell Membrane Complex in hair has both water-attracting and water-repelling layers.
14 citations
,
July 1994 in “Journal of Investigative Dermatology” 6 citations
,
January 1981 85 citations
,
October 2007 in “International Journal of Dermatology” Curly hair shape is due to uneven growth patterns in the hair follicle.
6 citations
,
January 2000 in “Dermatology” A girl's severely tangled hair couldn't be fixed and had to be cut due to a rare condition called plica neuropathica.
32 citations
,
February 2018 in “Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy” Cosmetic residues on individual hairs can be identified and differentiated using ATR FT-IR microspectroscopy.
Combining dermoscopy and calcium fluorescent white staining improves diagnosis and treatment of hair fungal infections.
August 2021 in “Journal of the American Academy of Dermatology” The shampoo's ingredients' effect on a hair growth pathway in cells was tested, but the results are not given.
2 citations
,
January 1908 in “Journal of the American Medical Association” Fear of hair-related issues causes significant mental distress, especially in high-stress women.