12 citations
,
January 2021 in “Cell Transplantation” Baby teeth stem cells can help grow hair in mice.
9 citations
,
February 2022 in “BMC Genomics” Melatonin affects gene expression in goat hair follicles, potentially increasing cashmere production.
9 citations
,
September 2013 in “Journal of histochemistry and cytochemistry/The journal of histochemistry and cytochemistry” Matriptase is highly active in hair follicles and sebaceous glands, especially during hair growth phases.
7 citations
,
May 2021 in “General and comparative endocrinology” Muskoxen's qiviut cortisol levels indicate their stress hormone activity over the hair growth period.
6 citations
,
January 2021 in “Annals of Dermatology” 650 nm red light helps hair grow and prevents hair loss by affecting certain genes and biological processes.
3 citations
,
August 2025 in “Stem Cell Research & Therapy” Adipose-derived stem cells show promise in treating hair loss by promoting hair regrowth and improving hair follicle function.
2 citations
,
December 2024 in “BMC Genomics” Key genes and pathways control sheep hair growth phases.
1 citations
,
September 2024 in “iScience” Disrupted sleep patterns from artificial light can slow hair growth and may lead to hair loss.
1 citations
,
December 2023 Hair grows in cycles and changes with age, starting from fetal development.
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.
1 citations
,
January 2022 in “Faculty reviews” The best long-lasting results in treating hair loss may be achieved through combination therapy, including treatments like finasteride, minoxidil, and platelet-rich plasma injections.
February 2026 in “International Journal of Molecular Sciences” Muscarinic acetylcholine receptors in skin cells help regulate and promote hair growth.
October 2025 in “Skin Health and Disease” Photothermal conditioning of PRP shows promise for improving hair growth but needs more research for confirmation.
Recombinant type XVII collagen may help regrow hair by activating specific cell pathways.
November 2024 in “Journal of Cosmetic Dermatology” The plant extracts may help treat hair loss by promoting hair growth and reducing DHT levels.
February 2024 in “ACS Omega” The Shen Bai Hair Growing Decoction may help treat hair loss by promoting hair growth and reducing inflammation.
October 2023 in “Nutrients” Millet and wheat extracts may improve hair health and promote growth.
Kerascalp hair serum was found to be safe and effective in improving hair growth and strength in people with mild to moderate hair loss.
120 citations
,
November 2014 in “Biological Reviews” The telogen phase of hair growth is active and important for preparing hair follicles for regeneration, not just a resting stage.
73 citations
,
June 2001 in “Endocrinology” Prolactin affects when mice shed and grow hair.
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
,
June 2001 in “Endocrinology” Prolactin affects when mice shed and grow hair.
July 2019 in “Journal of Investigative Dermatology” The research found that male pattern hair loss is mostly genetic and involves hair thinning due to hormonal effects and changes in gene expression.
Hedgehog signaling can create new hair follicles but may also cause tumors.
30 citations
,
February 2010 in “The journal of investigative dermatology/Journal of investigative dermatology” Plet-1 protein helps hair follicle cells move and stick to tissues.
2 citations
,
August 1995 in “Acta agriculturæ Scandinavica. Section A, Animal science” Adult male raccoon dogs shed their winter fur in spring and grow new fur for winter in autumn.
63 citations
,
October 2005 in “Archives of Dermatology” Shorter, thinner hairs indicate AGA, while longer, thicker hairs suggest CTE; counting and measuring shed hairs helps diagnose hair loss type.
116 citations
,
September 2001 in “Journal of The American Academy of Dermatology” Hair loss occurs due to fewer papillary cells, smaller follicles, and shorter growth phases.
October 2024 in “Experimental Dermatology” The belief about hair shedding phases is likely incorrect and needs reevaluation.
7 citations
,
January 2009 in “Immunological investigations” A 3-year-old boy lost all his hair due to a rare reaction to phenobarbital, but it grew back after steroid treatment.