1 citations
,
June 2024 in “Journal of Investigative Dermatology” Macrophages are crucial for hair regrowth in contact hypersensitivity.
109 citations
,
April 1997 in “Archives of Dermatological Research” Mast cell and nerve fiber interactions in mouse skin change with the hair cycle.
19 citations
,
February 1998 in “Cellular Immunology” Hair growth phase in mice weakens certain immune responses.
9 citations
,
March 2017 in “JAAD Case Reports” A woman's scalp condition improved with specific ointment after a hair piece caused skin issues.
5 citations
,
January 2007 in “Immunopharmacology and Immunotoxicology” 17β-Estradiol boosts allergic reactions and slows thymus aging in mice.
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.
2 citations
,
March 2004 in “Journal of the American Academy of Dermatology” The 60-second timed hair count is a reliable and simple way to measure hair shedding at home, showing older women tend to shed more hair than younger women.
1 citations
,
February 2023 in “Siriraj Medical Journal/San Sirirat” Thai males with hair loss have lower hair density in the occipital scalp compared to other Asians.
1 citations
,
January 2023 in “Journal of Clinical Medicine” A new hair restoration technology was found to effectively increase hair thickness, density, and growth, while reducing hair loss and improving scalp health, with no side effects.
3 citations
,
May 2024 in “International Journal of Women’s Dermatology” Over-the-counter hair growth products may cause frontal fibrosing alopecia due to allergens.
September 2024 in “Journal of the American Academy of Dermatology” Phenoxyethanol in hair growth products may be linked to frontal fibrosing alopecia.
321 citations
,
January 2012 in “Cell stem cell” TGF-β2 helps activate hair follicle stem cells by counteracting BMP signals.
Activin A and follistatin control when ear hair cells form in mice.
Activin A promotes ear hair cell development, while follistatin delays it.
July 2019 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” Activin A speeds up ear hair cell differentiation, while Follistatin slows it down.
April 2019 in “Journal of the Endocrine Society” An over-the-counter vitamin/mineral supplement improved hair loss and blood sugar control in a woman with non-classic 11-hydroxylase deficiency.
22 citations
,
July 2012 in “International Journal of Trichology” Miniaturized hairs stay connected to muscle in alopecia areata, allowing possible regrowth, but not in androgenetic alopecia.
6 citations
,
December 2019 in “BMC Complementary and Alternative Medicine” Alcohol extract from Vernonia anthelmintica seeds may help treat stress-related hair loss.
1 citations
,
March 2018 in “Dermatologie pro praxi” Most over-the-counter hair loss treatments lack strong evidence of effectiveness, except for minoxidil, which works but stops working if you stop using it.
21 citations
,
August 2011 in “Body Image” Acceptance reduces hair loss distress and medical consultations; coping mechanisms increase them.
February 2025 in “Journal of Forensic Sciences” Sonication washing reduces nuclei in hair roots, affecting DNA extraction.
71 citations
,
January 2015 in “Journal of molecular cell biology/Journal of Molecular Cell Biology” mTOR signaling helps activate hair stem cells by balancing out the suppression caused by BMP during hair growth.
2 citations
,
September 2020 in “International Journal of Molecular Sciences” Removing certain hair follicle stem cells worsens skin reactions to allergens.
34 citations
,
January 2014 in “International Journal of Trichology” Polarized dermoscopy is slightly better than nonpolarized for diagnosing hair disorders, with each method having its own strengths.
3 citations
,
March 2019 in “Contact Dermatitis” Using Indian marking nut sap for hair loss caused a skin rash on a woman's face.
July 2025 in “Journal of Dermatological Treatment” PRP improves hair growth in androgenic alopecia, especially when combined with minoxidil.
June 2025 in “Research Square (Research Square)” Stem cell exosome injections can safely improve hair growth and thickness in men with hair loss.
January 2020 in “Journal of dermatology research and therapy” Most over-the-counter hair loss treatments lack strong evidence of effectiveness but cost nearly as much as the proven treatment, minoxidil.
30 citations
,
July 2017 in “BioEssays” Activating NRF2 might help treat hair disorders by improving antioxidant defenses.
June 2023 in “Annals of the College of Medecine” Low iron levels are linked to more hair loss in women with chronic hair shedding.