June 2023 in “British journal of dermatology/British journal of dermatology, Supplement” Tight hairstyles can cause a rare scalp condition with thick skin folds.
May 2023 in “Archives of dermatological research” Some factors like thyroid disease, diabetes treatment, hair dryers, natural hairstyles, and scalp conditions can affect the treatment results for a hair loss condition called CCCA.
May 2022 in “Dermatology practical & conceptual” Trichoscopy is crucial for diagnosing and managing androgenetic alopecia, showing increased vellus hairs, empty follicles, and fibrosis with severity.
January 2022 in “Klinicheskaya dermatologiya i venerologiya” Trichoscopy can diagnose hair loss by looking for common signs like uneven hair thickness, "yellow dots," and more thin hairs, which are found in both men and women.
November 2014 in “British Journal of Dermatology” Hair loss is due to thinner hairs, not less hairs; hair diameter indicates balding progression and treatment effectiveness.
200 citations,
November 1997 in “Planta” Calcium affects where root hairs grow, but other unknown factors determine their growth direction.
40 citations,
June 2009 in “Journal of Cutaneous Pathology” AGA patients have fewer hairs and smaller follicles; T:V ratio above 4:1 may indicate AGA.
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.
26 citations,
September 2012 in “Journal of The American Academy of Dermatology” Patients with rapidly progressive alopecia areata often have a better outlook and shorter disease duration, with regrown fine hairs and no past alopecia being positive signs.
20 citations,
June 2014 in “BMC genomics” Poplar seed hairs grow from the placenta at the ovary base, with endoreduplication playing a key role in their development, and share similar cellulose synthesis processes with cotton fibers.
3 citations,
January 2020 in “Annals of Dermatology” More atypical club hairs may indicate Telogen Effluvium.
2 citations,
March 1977 in “Journal of animal science/Journal of animal science ... and ASAS reference compendium” Defective mink guard hairs have split tips and missing cuticle cells, causing a metallic sheen.
1 citations,
November 2022 in “DOAJ (DOAJ: Directory of Open Access Journals)” Male and female human hairs have different microscopic structures that can help in forensic analysis.
August 2024 in “International Journal of Molecular Sciences” Actin filaments help root hairs grow faster and longer under low potassium stress.
September 2023 in “Ain Shams medical journal” 31% of female high school students in Minia have hair loss from tight hairstyles, which can become permanent if not treated early.
January 2020 in “Clinical dermatology open access journal” Changing certain hairstyles can prevent worsening hair loss in Mexican women.
July 2018 in “Elsevier eBooks” Stopping tight hairstyles can prevent and reduce traction alopecia.
October 2015 in “Journal of Bioresource Management” Growing hair cells in the lab from plucked hairs could lead to a new, less invasive, and cheaper baldness treatment.
November 2024 in “International Journal of Dermatology” Chemical treatments and tight hairstyles may lead to earlier hair loss.
June 2024 in “British Journal of Dermatology” Avoid tight hairstyles and use minoxidil to prevent and treat hair loss in young Sikh boys.
28 citations,
May 1998 in “Journal of the American Academy of Dermatology” Scalp inflammation can cause multiple hairs to grow from one follicle.
18 citations,
June 2008 in “Archives of Dermatology” Men typically shed about 10 hairs in 60 seconds, and this amount doesn't increase with age.
14 citations,
January 2016 in “Experimental Dermatology” Hair regrowth doesn't convert thin hairs to thick hairs, but increases overall hair density.
1 citations,
January 2021 in “Pakistan journal of zoology” Red fox, golden jackal, and gray wolf hairs have similar features but differ in length, thickness, and inner structure.
1 citations,
April 2009 in “The Proceedings of the International Plant Nutrition Colloquium XVI” Certain genes may promote longer root hairs in plants when phosphorus is low.
1 citations,
March 2014 in “Journal of The American Academy of Dermatology” Hair care practices and concerns about maintaining hairstyles can reduce how often African American women exercise.
February 2024 in “Frontiers in plant science” Peps help Arabidopsis plants grow more root hairs by affecting specific genes and calcium signaling.
80 citations,
April 2011 in “Plant physiology” White lupin uses specific genes to grow root hairs and access phosphorus when it's scarce.
75 citations,
July 2016 in “New phytologist” The protein RSL4 is crucial for making root hairs longer by controlling genes related to cell growth.
36 citations,
December 2016 in “Journal of The American Academy of Dermatology” The normal range for the hair pull test is 2 hairs or fewer, and washing or brushing hair before the test does not affect the results.