33 citations
,
January 2017 in “Conservation physiology” Measuring reproductive hormones in brown bear hair could help identify their sex and reproductive state, but better collection methods or lab techniques are needed.
November 2023 in “Journal of animal science/Journal of animal science ... and ASAS reference compendium” Pig hair cortisol levels are inheritable and linked to stress responses, which could help select for more resilient pigs.
5 citations
,
March 2017 in “Laser Physics Letters” Different scalp imaging methods are important for studying hair and scalp health and require more volunteers for better evaluation.
46 citations
,
April 2009 in “Journal of Dermatological Case Reports” Researchers established normal hair and scalp characteristics for healthy women using trichoscopy.
April 2018 in “Journal of Investigative Dermatology” Fat under the skin can help hair grow longer, darker, and increase cell growth.
November 2022 in “Journal of Investigative Dermatology” A new tool helps study hair follicle cells to develop better treatments for hair disorders.
25 citations
,
June 2003 in “Journal of Investigative Dermatology Symposium Proceedings” Phototrichogram and hair diameter measurements are effective, noninvasive ways to assess hair growth and detect early hair loss, with the most common pattern being reduced hair density.
3 citations
,
June 2016 in “Dermatology Reports” Finger length ratios don't predict baldness in men.
8 citations
,
July 1997 in “Archives of Gerontology and Geriatrics”
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.
21 citations
,
January 2010 in “International Journal of Trichology” TrichoScan often makes mistakes and needs improvement for correct hair growth analysis.
2 citations
,
January 1986 in “PubMed” PIXE is an effective method to analyze hair's elemental composition.
1 citations
,
January 2003 in “Dermatology” Finasteride's effectiveness measured by observing hair cortex changes using a cheap and easy method.
9 citations
,
March 2018 in “Actas Dermo-Sifiliográficas” The Spanish version of the Hair Specific Skindex-29 scale is a reliable and valid way to measure the impact of hair loss on women's quality of life.
1 citations
,
December 2022 in “Clinical, cosmetic and investigational dermatology” Arab hair is generally thicker but less dense compared to other ethnicities, affecting hair disorder diagnosis and treatment.
30 citations
,
April 2009 in “Dermatologic Surgery” TrichoScan helps identify subtle hair thinning in women with androgenetic alopecia.
90 citations
,
October 1983 in “British Journal of Dermatology” The unit area trichogram is a reliable method to assess hair loss and treatment response in people with androgenic alopecia by measuring hair density and thickness.
2 citations
,
April 2023 in “Archives of Aesthetic Plastic Surgery” The phototrichogram is better for measuring hair thickness.
July 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” Scientists created a detailed map of gene activity in different parts of human hair follicles.
12 citations
,
February 2020 in “The Journal of Clinical Endocrinology & Metabolism” More body hair in young Australian women is linked to higher androstenedione levels.
5 citations
,
October 2021 in “Vlaams Diergeneeskundig Tijdschrift” The protocol is easy to use, but reliable results need the same person to assess each time.
January 2015 in “Springer eBooks” Understanding hair structure and growth is key for diagnosing hair diseases accurately.
January 2026 in “Phaidra - Repository of the University of Veterinary Medicine, Vienna” Hair cortisol levels in wolves reflect stress and vary by season and body region.
5 citations
,
September 2020 in “Journal of Cosmetic Dermatology” Dexpanthenol improves hair growth and satisfaction in women without side effects.
April 2011 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” Hair cortisol is a reliable long-term stress marker during pregnancy.
3 citations
,
January 2021 in “Hair transplant forum international” The Hair Diameter Index (HDI) was created to help plan hair restoration surgery after finding that visual hair density is linked to hair count and thickness, not volume.
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.
September 2023 in “Skin Research and Technology” The paper suggests a way to diagnose male hair loss and check treatment results using a dermoscope at four specific scalp points.
February 2019 in “Case medical research” The document does not state whether dexpanthenol dermal spray helps skin recover after laser hair removal.
July 2024 in “Journal of Investigative Dermatology” Human hair follicles have their own thyroid hormone system.