63 citations
,
October 1972 in “British Journal of Dermatology” Women with thinning hair have thinner hair strands than women without hair loss.
41 citations
,
May 2001 in “PubMed” Different thicknesses of hair strands can indicate the severity of hair thinning.
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.
9 citations
,
April 2017 in “International Journal of Dermatology” Different areas of the scalp have varying hair thickness, useful for different types of hair transplant needs.
6 citations
,
May 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.
3 citations
,
June 2021 in “Journal of Cosmetic Dermatology” The micrometer caliper is a reliable tool for measuring hair diameter for FUE surgery.
November 2014 in “British Journal of Dermatology” Hair loss is due to thinner hairs, not less hairs; hair diameter indicates balding progression and treatment effectiveness.
3 citations
,
January 2021 in “Hair transplant forum international” The Hair Diameter Index (HDI) was created to help plan hair restoration surgery after finding that visual hair density is linked to hair count and thickness, not volume.
234 citations
,
February 2001 in “British Journal of Dermatology” FPHL affects hair density and diameter, causing visible hair loss in older women.
34 citations
,
August 2003 in “Clinical and Experimental Dermatology” Pregnant women's hair gets thicker.
21 citations
,
November 2014 in “British Journal of Dermatology” Hair thickness matters more than density for baldness in Japanese men over 25.
4 citations
,
November 2004 in “Clinical and Experimental Dermatology” Hair length and thickness are related, with thickness peaking at about a quarter of the hair's maximum length.
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.
3 citations
,
March 2023 in “Biology” Genes affecting wool fiber thickness in Angora rabbits were identified, which could help breed finer wool.
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
,
May 2002 in “British Journal of Dermatology” Hair loss caused by longer latent hair cycle and sudden miniaturization, not gradual follicle size reduction.
February 2024 in “JAAD International” Measuring the variety in hair thickness can help diagnose male pattern baldness in Korean men.
February 2014 in “Journal of medical sciences” Treating androgenic alopecia can significantly increase hair thickness, especially in males, with hair color and scalp location also affecting hair diameter.
May 2002 in “British Journal of Dermatology” Hair loss caused by longer latent hair cycle and sudden miniaturization, not gradual follicle size reduction.
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.
23 citations
,
July 1989 in “Postgraduate medical journal” Spironolactone did not make hair thinner in women with excess hair growth.
December 2023 in “Journal of The American Academy of Dermatology” Finasteride made hair thicker on the back of the head in men with hair loss.
January 2023 in “Al-Azhar International Medical Journal /Al-Azhar International Medical Journal” Trichoscopy is a quick, non-invasive way to measure hair density and thickness, helping diagnose hair loss.
4 citations
,
February 2018 in “Journal of Cosmetic Dermatology” Platelet-rich plasma injections made hair thicker for both men and women, with a greater effect in women.
March 2024 in “International journal of molecular sciences” The research identified key proteins that affect wool fiber thickness in Angora rabbits.
August 2023 in “The Indonesian Biomedical Journal” Rosemary essential oil improved hair growth and thickness in UVB-exposed mice.
November 2022 in “International Journal of Trichology”
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.