58 citations,
October 2016 in “Journal of Investigative Dermatology” Activating Nrf2 protects human hair follicles from oxidative stress and helps prevent hair growth inhibition.
53 citations,
November 2006 in “Journal of Endocrinology” Prolactin slows down hair growth in mice.
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.
50 citations,
August 1999 in “Experimental dermatology” The control system for hair growth cycles is not well understood and needs more research.
49 citations,
November 2014 in “Journal of Medicinal Food” Red Ginseng Extract may help human hair grow by activating growth pathways and blocking negative effects of certain hormones.
48 citations,
May 2015 in “NPJ microgravity” A 3-month stay in space causes skin thinning, disrupts hair growth, and changes muscle-related genes in mice.
47 citations,
January 2013 in “International Journal of Cosmetic Science” Hair diversity is influenced by complex genetics and environmental factors, requiring more research for practical solutions.
47 citations,
January 2013 in “Indian Journal of Dermatology, Venereology and Leprology” Premature graying of hair may suggest health issues and currently lacks effective treatments.
46 citations,
January 2010 in “The journal of investigative dermatology/Journal of investigative dermatology” Mice lacking Insig proteins had hair growth problems due to cholesterol buildup, but this was fixed by the drug simvastatin.
41 citations,
July 2015 in “Current Drug Discovery Technologies” Some plants may help with hair growth and have fewer side effects than synthetic drugs, but more research is needed to confirm their effectiveness.
41 citations,
June 2013 in “PLOS ONE” Engineered skin substitutes can grow hair but have limitations like missing sebaceous glands and hair not breaking through the skin naturally.
39 citations,
April 2020 in “Clinical, Cosmetic and Investigational Dermatology” Asian hair is generally straight and thick, with unique disorders and properties, and more research is needed to understand it fully.
39 citations,
August 2008 in “Growth hormone & IGF research” Raspberry ketone may help grow hair and improve skin elasticity.
38 citations,
January 2015 in “Journal of Cosmetic Dermatology” The nutritional supplement improved hair density and reduced hair loss in women with female pattern hair loss.
38 citations,
October 2011 in “Analytical biochemistry” Hair proteins have weak spots in their α-helical segments.
37 citations,
January 2009 in “Dermatology” Healthy women tend to lose more hair in July and April, and the least in February.
36 citations,
September 2011 in “British Journal of Dermatology” White hair grows thicker and faster than black hair due to higher activity of growth-related genes and proteins.
35 citations,
February 2019 in “Cell Communication and Signaling” BMP6 and Wnt10b control whether hair follicles are resting or growing.
34 citations,
January 1943 in “Endocrinology” Adrenalectomy boosts hair growth and melanin in black rats, even with vitamin B¹ deficiency.
33 citations,
January 2017 in “Conservation physiology” Measuring reproductive hormones in brown bear hair could help identify their sex and reproductive state, but better collection methods or lab techniques are needed.
32 citations,
November 2012 in “Aesthetic Surgery Journal” Hair restoration surgery has advanced, focusing on natural results and may improve further with new techniques and therapies.
32 citations,
November 2005 in “Journal of Investigative Dermatology Symposium Proceedings” Most women preferred the 1% pyrithione zinc shampoo for better hair smoothness and less frizz while controlling dandruff.
31 citations,
February 2019 in “International Journal of Cosmetic Science” Caffeine applied to the scalp can protect hair follicles from UV damage.
31 citations,
April 2016 in “Nature communications” Certain signals are important for reducing specific chemical markers on hair follicle stem cells during rest periods, which is necessary for healthy hair growth.
31 citations,
September 1999 in “Dermatologic Surgery” Cooling hair micrografts during transplantation does not improve their survival or growth.
30 citations,
April 2020 in “Stem Cell Research & Therapy” PI3K/Akt pathway is crucial for hair growth and regeneration.
30 citations,
July 2017 in “BioEssays” Activating NRF2 might help treat hair disorders by improving antioxidant defenses.
30 citations,
July 2010 in “Experimental Dermatology” Polyamines are important for hair growth, but more research is needed to understand their functions and treatment potential.
30 citations,
March 2010 in “European Journal of Dermatology” Hair loss in elderly women is often caused by various factors, including hormonal changes after menopause.
29 citations,
April 2020 in “Journal of Tissue Engineering and Regenerative Medicine” The experiment showed that human skin grown in the lab started to form early hair structures when special cell clusters were added.