January 2018 in “Springer eBooks” Lasers are FDA-approved for permanent hair reduction, not removal, and more research is needed to improve treatments.
August 2014 in “Journal of The American Academy of Dermatology” Obesity is linked to more severe hair loss in adult men and to excess hair growth, but its effects on hair conditions are complex and need more research.
January 2001 in “Current problems in dermatology” Hair transplantation has improved to use smaller grafts for a natural look and may include follicle cloning in the future; non-surgical treatments are also effective.
August 1994 in “Journal of Dermatological Science”
February 2021 in “Dermatologic Therapy” Injections improve hair growth, density, and thickness in women safely.
31 citations
,
January 2004 in “Methods in cell biology” Hair and follicle keratins differ in structure and expression, especially in cysteine content.
27 citations
,
August 2021 in “Journal of Autoimmunity” Human dermal γδT-cells respond to stress in hair follicles, contributing to hair loss.
3 citations
,
November 2015 in “Journal of Investigative Dermatology” Testosterone can both promote hair growth and cause baldness by affecting hair growth signals.
January 2014 in “Pathology” Non-scarring hair loss can be diagnosed with two 4mm punch biopsies, one cut vertically and the other transversely.
27 citations
,
September 2012 in “Dermatologic Clinics” The document concludes that using specific tools and tests is essential for identifying the cause of hair loss and deciding on the right treatment.
10 citations
,
May 2020 in “Dermatology Research and Practice” Proteoglycans are important for hair growth, and a specific treatment can help reduce hair loss.
9 citations
,
February 2001 in “Journal of Dermatological Science” p21waf1/cip1 and p27kip1 help in hair follicle differentiation in rats.
1 citations
,
December 2023 in “Biomolecules” Regulating cell death in hair follicles can help prevent hair loss and promote hair growth.
N793 may improve hair density in people with mild hair thinning.
August 2022 in “bioRxiv (Cold Spring Harbor Laboratory)” Mouse touch-sensitive nerve cells adjust their connections based on competition with other similar cells.
561 citations
,
April 2003 in “Journal of Investigative Dermatology” CD34 is a marker for isolating stem-like cells in mouse hair follicles.
314 citations
,
April 2010 in “Developmental Cell” β-catenin in the dermal papilla is crucial for normal hair growth and repair.
283 citations
,
February 2011 in “Cell stem cell” COL17A1 is crucial for preventing hair graying and loss by supporting hair and pigment stem cells.
248 citations
,
April 1988 in “Differentiation” Human and bovine hair follicles have distinct cytokeratins specific to hair-forming cells.
234 citations
,
December 1996 in “Journal of The American Academy of Dermatology” Middle-aged women with chronic telogen effluvium experience increased hair shedding but usually don't get significantly thinner hair.
180 citations
,
January 2002 in “The journal of investigative dermatology/Journal of investigative dermatology” Vitamin D Receptor is crucial for normal skin and hair growth.
169 citations
,
January 2018 in “Cell Reports” Scientists grew hair follicles from mouse stem cells in a lab setting.
155 citations
,
August 2003 in “Journal Of Experimental Zoology Part B: Molecular And Developmental Evolution” Understanding hair growth involves complex interactions between molecules and could help treat hair disorders.
116 citations
,
May 2013 in “Proceedings of the National Academy of Sciences of the United States of America” Hair grows faster in the morning and is more vulnerable to damage from radiation due to the internal clock in hair follicle cells.
110 citations
,
January 2014 in “Journal of Controlled Release” Phospholipid-coated nanoparticles penetrate hair follicles better than others, especially in pig ears.
85 citations
,
June 2017 in “Journal of Investigative Dermatology” Blimp1 is crucial for hair follicle growth and skin health.
52 citations
,
September 2018 in “International Journal of Molecular Sciences” Ginseng and its compounds may help hair growth and prevent hair loss, but more human trials are needed to confirm this.
52 citations
,
May 2003 in “The journal of investigative dermatology/Journal of investigative dermatology” Parathyroid hormone-related protein helps control hair growth phases in mice.
50 citations
,
February 2016 in “Journal of Investigative Dermatology” A mutation in the KRT25 gene causes a rare hair disorder with thin, woolly hair.
45 citations
,
October 2008 in “Cytokine & Growth Factor Reviews” Activins and follistatins, part of the TGFβ family, are crucial for hair follicle development and skin health, affecting growth, repair, and the hair cycle.