130 citations,
January 1994 in “Differentiation” Mouse hair follicle cells briefly grow during the early hair growth phase, showing that these cells are important for starting the hair cycle.
99 citations,
June 2005 in “Journal of Cosmetic Dermatology” Hair ages due to genetics and environmental factors, leading to graying and thinning, with treatments available for some conditions.
75 citations,
October 2016 in “Genes & Development” Cells in hair follicles help create fat cells in the skin by releasing a protein called Sonic Hedgehog.
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.
67 citations,
July 1985 in “British journal of dermatology/British journal of dermatology, Supplement” Men's thigh hair grows longer and has a longer growth cycle than women's, but arm hair growth is similar between genders.
26 citations,
December 2015 in “Journal of The European Academy of Dermatology and Venereology” New method measures female hair loss: Female Pattern Hair Loss Severity Index (FPHL-SI).
20 citations,
October 2008 in “Archives of dermatological research” Angiogenin helps hair grow by stimulating cell growth and blood vessel formation.
20 citations,
February 2004 in “Veterinary dermatology” Dog hair grows back in about 14 weeks after being clipped for surgery, and the season doesn't really affect this growth rate.
20 citations,
September 1978 in “International Journal of Dermatology” Hair growth is influenced by factors like genetics and nutrition, and more research is needed to understand hair loss and growth mechanisms.
13 citations,
July 2011 in “Photomedicine and laser surgery” Coloring white hair before IPL treatment effectively helps remove it.
11 citations,
March 2001 in “Clinics in Dermatology” Hair microscopy is useful for diagnosing hair disorders, but clear definitions are needed for accurate genetic analysis.
10 citations,
January 2016 in “PLOS ONE” Researchers found 44 proteins that change during different hair growth stages and may be important for hair follicle function.
2 citations,
January 2017 in “Skin appendage disorders” Women with and without hair loss have similar amounts of exogen hairs, so these hairs are not a key factor in hair loss conditions.
1 citations,
December 2010 in “InnovAiT” The document concludes that accurate diagnosis and appropriate management are crucial for treating various hair disorders, which have significant psychological impacts.
January 2018 in “Springer eBooks” Lasers are FDA-approved for permanent hair reduction, not removal, and more research is needed to improve treatments.
January 2012 in “Methods in pharmacology and toxicology” Hair follicle culture helps study hair growth but has limitations in modeling the full hair cycle.
66 citations,
February 2013 in “Pediatric Dermatology” Dermoscopy improves diagnosis and treatment monitoring for children's skin infections, inflammations, and hair disorders.
January 2010 in “Elsevier eBooks” The document concludes that different types of hair loss have specific treatments, and early diagnosis is crucial for preventing permanent hair loss.
May 2017 in “InTech eBooks” Trichoscopy and trichogram are useful for diagnosing hair and scalp conditions.
7 citations,
July 2019 in “Clinics in Dermatology” Hair loss can indicate or worsen with systemic diseases, and treating the underlying condition is important.
4 citations,
January 2015 in “Journal of drug assessment” Finasteride gel effectively and safely reduces hair thickness in women with excessive hair growth.
1 citations,
July 2018 in “Elsevier eBooks” Alopecia Areata is an autoimmune hair loss condition, with various treatments showing mixed effectiveness and no guaranteed cure.
23 citations,
December 2004 in “Differentiation” Sex hormones affect hair and feather growth and may help manage alopecia and hormone-dependent cancers.
3 citations,
July 2011 in “Expert Review of Dermatology” Effective treatments for excessive hair growth in women include creams, laser therapy, and medications, with the choice depending on individual needs and potential side effects.
7 citations,
March 2021 in “Journal of animal science/Journal of animal science ... and ASAS reference compendium” Blocking prolactin increases the activity of secondary hair follicles in cashmere goats.
January 2018 in “Springer eBooks” Different races and genders have unique skin and hair issues, requiring specialized care and more research for effective treatment.
November 2012 in “South African Family Practice” The article concludes that early treatment of alopecia is crucial to prevent permanent hair loss.
36 citations,
April 2017 in “journal of current ophthalmology” Good preoperative assessment is crucial for safe and effective eyelid and brow cosmetic surgery.
23 citations,
October 2021 in “Cell Stem Cell” Hair thinning causes stem cell loss through a process involving Piezo1, calcium, and TNF-α.
9 citations,
July 2022 in “Cell reports” Sox2 controls hair color by affecting pigment production in hair follicles.