May 2025 in “Archives of Dermatological Research” Patient-reported hair improvements align with actual hair density changes, not hair width.
127 citations
,
December 2007 in “Journal of Investigative Dermatology” Mice hair growth patterns get more complex with age and can change with events like pregnancy or injury.
90 citations
,
December 2008 in “Journal of Investigative Dermatology” Thyroid-stimulating hormone affects hair follicles but doesn't change hair growth or color.
51 citations
,
September 2020 in “Cell Metabolism” Glutamine metabolism affects hair stem cell maintenance and their ability to change back to stem cells.
31 citations
,
May 2008 in “Drug Discovery Today: Disease Mechanisms” Different hair growth problems are caused by genetic issues or changes in hair growth cycles, and new treatments are being developed.
26 citations
,
May 2001 in “British Journal of Dermatology” Pilomatrixomas likely originate from the hair matrix due to changes in hair keratin expression.
25 citations
,
April 2015 in “Current problems in dermatology” Hair regrowth slows with age and can be affected by treatments that change enzyme activity in the skin.
14 citations
,
January 2015 in “Genetics and molecular research” The transition from growth to regression in Cashmere goat hair follicles involves changes in expression of genes related to keratin and cell differentiation.
13 citations
,
March 2020 in “Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy” Alopecic hair has more irregular structures and chemical changes than normal hair, reducing its strength.
10 citations
,
November 2008 in “Veterinary Dermatology” The mouse hairy ears mutation causes longer ear hair due to changes in gene expression.
5 citations
,
May 2021 in “Veterinary medicine and science” Injecting cosyntropin into grizzly bears increases blood cortisol but doesn't change hair cortisol levels.
4 citations
,
August 2023 in “Nature Communications” Mouse zigzag hair bends form due to a 3-day cycle of changes in hair progenitors and their environment.
Ocu-miR-205 affects hair density in Rex rabbits by promoting cell changes and influencing hair follicle phases.
Ocu-miR-205 affects hair density in Rex rabbits by promoting cell changes and influencing hair follicle phases.
September 2022 in “KnE medicine” Higher candle nut oil concentration increases droplet size and changes the hair tonic's properties and stability.
December 2011 in “British Journal of Dermatology” As women age, they experience changes in hair density and volume, face challenges in distinguishing normal hair loss from disease, and have limited access to treatments for hair issues.
252 citations
,
November 1995 in “The EMBO Journal” Blocking EGFR in mice causes hair loss and skin changes.
52 citations
,
August 1978 in “Journal of Applied Polymer Science” Human hair's ability to get wet is complex and can change with treatments, damage, and environment.
26 citations
,
October 2016 in “Case Reports in Dermatology” A man with severe hair loss saw hair and nail improvement after 10 months on tofacitinib without side effects.
23 citations
,
July 1997 in “British Journal of Dermatology” The inner root sheath is vital for hair follicle stability during growth changes.
8 citations
,
November 2019 in “Journal of Trace Elements in Medicine and Biology” Higher hair iron levels are linked to changes in brain structure and function.
6 citations
,
March 2020 in “Scientific reports” Hair growth genes work better with more glucose due to changes in gene-regulating markers.
6 citations
,
January 2012 in “Breast cancer” Breast cancer may be detectable through changes in scalp hair lipids.
5 citations
,
February 1998 in “Polymer” Human hair keratin has a 40% α-helix structure that changes to a random coil in 8 M urea.
3 citations
,
March 2021 in “Metabolites” Hair loss causes differ between men and women due to changes in hormone levels and inflammation-related pathways.
3 citations
,
November 2017 in “International Journal of Cosmetic Science” Solute binding to hair keratin is mainly driven by hydrophobic interactions and changes with pH.
2 citations
,
June 2022 in “Scientific reports” Mouse hair follicle stem cells lose their ability to change into different cell types after being grown for a long time.
1 citations
,
March 2019 in “International Journal of Molecular Medicine” Mouse hair follicle cells can become heart-like cells without genetic changes.
1 citations
,
October 2013 in “MacSphere (McMaster University)” Changes in δ¹⁵N values in hair can indicate stress or health issues.
October 2025 in “International Journal of Homoeopathic Sciences” Holistic homeopathy, lifestyle changes, and nutrition can improve chronic hair loss.