61 citations,
July 2012 in “British Journal of Dermatology” Caucasian women's hair appears thickest in their 20s, with perceived thinning after mid-30s due to both decreasing density and diameter.
57 citations,
August 2003 in “British Journal of Dermatology” Minoxidil and pyrithione zinc combo most effectively increases hair density.
41 citations,
December 2008 in “International Journal of Dermatology” South Korean women with hair loss have lower hair density and thickness compared to healthy women.
39 citations,
January 1997 in “Pharmacology & toxicology” Vitamin D3 and its analogues affect skin cell growth and development depending on cell density, calcium levels, and serum presence.
32 citations,
January 2015 in “Indian Dermatology Online Journal” Minoxidil and finasteride combo maintains hair density effectively.
32 citations,
September 1997 in “Dermatologic Surgery” Mini-micrografting in hair transplants can give similar density to older methods with fewer sessions.
31 citations,
February 2020 in “BioMed Research International” Thai people's hair density decreases with age and varies by scalp area, but hair thickness stays the same regardless of age or scalp area.
30 citations,
December 2017 in “Clinical, Cosmetic and Investigational Dermatology” Parietal scalp area has lower hair density and smaller hair diameter in women with hair loss.
29 citations,
April 1995 in “Endocrinology” Finasteride doesn't affect bone density in male rats.
27 citations,
February 2017 in “Clinical, Cosmetic and Investigational Dermatology” New compounds were found to help increase hair growth and decrease hair loss.
24 citations,
January 2012 in “Journal of The American Academy of Dermatology” Caucasian hair is denser, but Asian hair is thicker in female pattern hair loss patients.
23 citations,
May 2020 in “Cell Death and Disease” Blocking the FGF5 gene in sheep leads to more fine wool and active hair follicles due to changes in certain cell signaling pathways.
21 citations,
November 2014 in “British Journal of Dermatology” Hair thickness matters more than density for baldness in Japanese men over 25.
19 citations,
December 2013 in “The American Journal of Dermatopathology” Nonscarring alopecia has higher hair density than scarring alopecia, and hair density can help diagnose the type of alopecia.
14 citations,
April 2007 in “Journal of aging and health” Balding men had lower bone density, while balding women had higher hip bone density.
13 citations,
March 2006 in “International Journal of Cosmetic Science” The study found that a polymer treatment changes the charge on hair surfaces, making bleached hair smoother and less porous.
11 citations,
May 1998 in “Hair transplant forum international” The debate over density remains unresolved.
10 citations,
December 2015 in “International Journal of Molecular Sciences” PDCD4 is important for controlling skin cell growth and healing.
9 citations,
January 2018 in “Hair transplant forum international” Researchers concluded that safe hair follicle extraction limits in FUE vary by individual characteristics and proposed a method to calculate these limits to maintain appearance.
8 citations,
January 2022 in “Sensors” Deep learning can accurately automate hair density measurement, with YOLOv4 performing best.
7 citations,
April 1995 in “Endocrinology” Finasteride doesn't affect bone density in male rats.
6 citations,
June 2016 in “British Journal of Dermatology” Low IGF-1 and high HDL cholesterol levels are linked to more hair loss in middle-aged women.
5 citations,
January 2004 in “Annals of Dermatology” People with androgenetic alopecia (AGA) have lower hair density and more single-hair units compared to those with normal scalps.
3 citations,
November 2018 in “Hair transplant forum international” Using body hair with scalp hair for hair transplants improves density and coverage in severe hair loss cases.
3 citations,
October 2016 in “International Journal of Dermatology” Minoxidil treatment increased hair density in a young Asian girl with short anagen syndrome, but didn't improve hair length or thickness.
2 citations,
July 2022 in “Stem cell research & therapy” A new method quickly and efficiently isolates hair follicle stem cells from adult mice, promoting hair growth.
2 citations,
February 2020 in “Journal of Plastic Surgery and Hand Surgery” Good-looking donor sites for hair transplants usually have higher hair density and thicker hair.
2 citations,
December 1999 in “Dermatologic Surgery” Achieving original hair density with transplants is unrealistic; skilled practitioners are essential for the best results.
1 citations,
December 2022 in “Clinical, cosmetic and investigational dermatology” Arab hair is generally thicker but less dense compared to other ethnicities, affecting hair disorder diagnosis and treatment.
1 citations,
December 2022 in “Clinical, Cosmetic and Investigational Dermatology” Midscalp hair density and terminal hair percentage are good indicators of female pattern hair loss severity.