8 citations,
November 2021 in “The Journal of Dermatology” The article simplifies trichoscopy terms and offers a new diagnostic flowchart.
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.
10 citations,
July 2017 in “Archives of Plastic Surgery” Hair thickness decreases from the upper to lower areas of the back of the head, affecting hair transplant results.
61 citations,
April 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.
21 citations,
July 2014 in “British Journal of Dermatology” Hair thickness matters more than density for baldness in Japanese men over 25.
6 citations,
April 2006 in “Lupus” People with lupus and rheumatoid arthritis have thinner hair than healthy people.
5 citations,
June 2016 in “Twin research and human genetics” Hair diameter and curvature are mostly determined by genetics.
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.
August 2023 in “The Indonesian Biomedical Journal” Rosemary essential oil improved hair growth and thickness in UVB-exposed mice.
23 citations,
July 1989 in “Postgraduate medical journal” Spironolactone did not make hair thinner in women with excess hair growth.
7 citations,
October 2018 in “Journal of Craniofacial Surgery” About 21.3% of young, healthy Chinese men experience hair loss. Hairlines are mostly linear or have a central protrusion. Hair is densest on the top and back of the head, and hair follicles usually have 1 or 2 hairs. This information can help in designing hair restoration procedures.
April 2011 in “Global journal of health science” Aldactone effectively reduces hair thickness in women with excessive hair growth, both alone and with other treatments.
May 2023 in “Frontiers in chemistry” Zolpidem shows up in hair from the top back of the head after one dose and fades over time, suggesting it gets into hair through blood and sweat.
April 2011 in “Global journal of health science” Spironolactone effectively makes hair shafts thinner in women with excessive hair growth.
4 citations,
October 2012 in “Archives of Dermatology” Hair diameter diversity is a key sign for diagnosing and managing male pattern baldness.
22 citations,
March 2020 in “Journal of The American Academy of Dermatology” DSC cell injections significantly improved hair density and diameter, showing potential as a hair loss treatment.
7 citations,
January 2015 in “Biological & Pharmaceutical Bulletin” Rice Bran Supercritical CO2 Extract significantly increased hair density and diameter in male alopecia patients without any side effects.
30 citations,
January 2020 in “Journal of The American Academy of Dermatology” Fibrosing alopecia in a pattern distribution is a hair loss condition often confused with other types, requiring early treatment but usually not resulting in significant hair regrowth.
13 citations,
January 2019 in “Skin appendage disorders” FAPD is a possible diagnosis for hair loss in patients of color and requires multiple evaluations for accurate diagnosis.
1 citations,
July 2018 in “Elsevier eBooks” FAPD and possibly CCCA may be AGA subtypes, and treatments combining antiandrogens, hair growth agents, hair transplants, and anti-inflammatories could be effective.
9 citations,
January 2018 in “International Journal of Trichology” A woman's hair loss from graft versus host disease helps understand similar hair loss conditions.
16 citations,
January 1989 in “Springer eBooks” Cyproterone acetate effectively treats female hair loss by increasing healthy hair and decreasing unhealthy hair, but doesn't change hair thickness.
3 citations,
March 2023 in “Biology” Genes affecting wool fiber thickness in Angora rabbits were identified, which could help breed finer wool.
March 2024 in “International journal of molecular sciences” The research identified key proteins that affect wool fiber thickness in Angora rabbits.
30 citations,
April 2009 in “Dermatologic Surgery” TrichoScan helps identify subtle hair thinning in women with androgenetic alopecia.
21 citations,
January 2010 in “International journal of trichology” Trichoscopy can diagnose monilethrix, a genetic hair defect causing hair thinning and loss.
16 citations,
January 2015 in “Annals of Dermatology” The study found specific hair and scalp patterns for different types of hair loss in Koreans, noting racial differences affect diagnosis.
14 citations,
January 2015 in “Clinical Nutrition Research” MK-R7 supplement with Cistanche Tubulosa and Laminaria Japonica extracts improved hair density and scalp health without adverse effects.
11 citations,
January 2015 in “Annals of Dermatology” Using a hair removal laser can make hairs finer for better hairline correction in hair transplants, with most patients happy and few side effects.
10 citations,
September 2020 in “Biopolymers” Hair's structure and properties change with pH; acidic pH maintains strength and less swelling, while alkaline pH increases water content and swelling.