129 citations,
June 1999 in “Archives of Dermatology” African Americans have less hair density than whites.
39 citations,
March 2018 in “Archives of Dermatological Research” Androgens may block hair growth signals, targeting this could treat hair loss.
12 citations,
June 2013 in “The American Journal of Dermatopathology” A new method using visual aids to diagnose hair diseases was effective after brief training.
1113 citations,
August 1999 in “The New England Journal of Medicine” Hair follicle biology advancements may lead to better hair growth disorder treatments.
211 citations,
October 2001 in “The FASEB Journal” Noggin is necessary to start the hair growth phase in skin after birth.
137 citations,
September 2005 in “Proceedings of the National Academy of Sciences of the United States of America” The HR protein helps hair grow by blocking a hair growth inhibitor, aiding in hair follicle regeneration.
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.
89 citations,
September 2010 in “Annual Review of Genomics and Human Genetics” The document concludes that understanding the genes and pathways involved in hair growth is crucial for developing treatments for hair diseases.
81 citations,
September 2005 in “The American journal of pathology” Activin helps skin growth and healing mainly through stromal cells and affects keratinocytes based on its amount.
74 citations,
January 2013 in “Expert Opinion on Biological Therapy” The conclusion is that hair growth can be improved by activating hair cycles, changing the surrounding environment, healing wounds to create new hair follicles, and using stem cell technology.
67 citations,
January 2013 in “Indian Journal of Dermatology, Venereology and Leprology” The document concludes that alopecia areata is an autoimmune disease without a definitive cure, but treatments like corticosteroids are commonly used.
52 citations,
May 2015 in “PLOS Genetics” miR-22, a type of microRNA, controls hair growth and its overproduction can cause hair loss, while its absence can speed up hair growth.
41 citations,
November 2013 in “Experimental Dermatology” Leptin, a hormone, is important for starting hair growth.
39 citations,
December 2013 in “Phytotherapy Research” Safflower (Carthamus tinctorius) extract helps hair grow and could be used in hair products.
36 citations,
May 2011 in “Dermatologic therapy” No treatments fully cure or prevent alopecia areata; some help but have side effects or need more research.
24 citations,
May 1963 in “Archives of Dermatology” Most new moms had their hair grow back within 4-6 months after childbirth, and hair loss is likely due to hormonal changes.
24 citations,
October 2017 in “Scientific reports” Changing light exposure can affect hair growth timing in goats, possibly due to a key gene, CSDC2.
22 citations,
January 2014 in “Biological & Pharmaceutical Bulletin” Ginsenoside F2 may help prevent hair loss and promote hair growth better than finasteride.
19 citations,
June 2002 in “American Journal of Dermatopathology” Apoptosis contributes to hair loss in androgenetic alopecia.
18 citations,
January 2019 in “Experimental Dermatology” Certain cells outside the hair follicle's bulge area can quickly regenerate damaged hair follicles, potentially helping to reduce hair loss from cancer treatments.
15 citations,
July 2016 in “Biochemical Journal” Wnt proteins from certain skin cells are crucial for normal hair growth and renewal.
15 citations,
December 2011 in “Journal of the European Academy of Dermatology and Venereology” Hair loss in systemic lupus erythematosus patients is unique and improves with treatment.
12 citations,
May 2014 in “International Journal of Molecular Medicine” Chrysanthemum zawadskii extract helps hair grow by stimulating hair cells.
11 citations,
June 2005 in “Stem Cells and Development” Intestinal stem cells can help repair skin damage from radiation.
8 citations,
December 2017 in “Skin appendage disorders” WNT7A gene expression is higher in early stages of androgenetic alopecia, showing the role of WNT pathway, apoptosis, and inflammation in the disorder.
8 citations,
January 2017 in “Stem Cells International” A protein called sFRP4 from skin cells stops the development of pigment-producing cells in hair.
6 citations,
May 2013 in “PloS one” The Foxn1(-/-) nude mouse shows disrupted and expanded skin stem cell areas due to high Lhx2 levels.
5 citations,
September 2018 in “Bioscience, Biotechnology, and Biochemistry” Thiosulfate may help hair grow faster in mice and works well with a common hair growth treatment.
4 citations,
October 2014 in “Journal of Integrative Agriculture” Researchers found 24 genes that change significantly and affect cashmere growth in goats; this could help increase cashmere production.
3 citations,
April 2012 in “Osteoporosis International” A woman experienced hair loss after taking strontium ranelate for osteoporosis.