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.
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.
28 citations
,
November 2018 in “Journal of structural biology” Different populations have distinct hair structures related to their ancestry.
21 citations
,
November 2017 in “Livestock science” Nellore cattle have genetic variations linked to their adaptation to tropical environments.
21 citations
,
July 2014 in “British Journal of Dermatology” Hair thickness matters more than density for baldness in Japanese men over 25.
9 citations
,
January 2011 in “Skin Research and Technology” The new automatic tool accurately measures hair thickness and is reliable.
6 citations
,
April 2006 in “Lupus” People with lupus and rheumatoid arthritis have thinner hair than healthy people.
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.
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
,
April 2018 in “Journal of Investigative Dermatology” People respond differently to hair loss treatment with PRP because of individual differences in growth factors from platelets.
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.
May 2002 in “British Journal of Dermatology” Hair loss caused by longer latent hair cycle and sudden miniaturization, not gradual follicle size reduction.
14 citations
,
May 2005 in “Farmaco” A method was created in 2005 to identify minoxidil, a hair growth ingredient, in products using two types of capillary zone electrophoresis, and it found that most products had about 2% minoxidil.
1 citations
,
April 2024 in “Journal of Pharmaceutical and Pharmacological Sciences” The mouse models are effective for testing new hair loss treatments.
August 2023 in “The Indonesian Biomedical Journal” Rosemary essential oil improved hair growth and thickness in UVB-exposed mice.
34 citations
,
August 2003 in “Clinical and Experimental Dermatology” Pregnant women's hair gets thicker.
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.
April 2011 in “Global journal of health science” Spironolactone effectively makes hair shafts thinner in women with excessive hair growth.
16 citations
,
March 2011 in “Dermatologic Therapy” Women with greater androgen sensitivity respond better to finasteride for hair loss.
6 citations
,
May 2020 in “Scientific reports” Researchers identified genes and proteins that may influence wool thickness in sheep.
27 citations
,
April 2011 in “International journal of legal medicine” In situ DNA labeling in hair can help predict forensic DNA analysis success.
1 citations
,
December 2025 in “Frontiers in Pharmacology” Placental extracts have antioxidant, anti-inflammatory, and immune-boosting effects, but their exact workings are unclear.
February 2009 in “Journal of The American Academy of Dermatology” AGA patients have higher rates of metabolic syndrome and carotid atheromatosis, suggesting early screening and prevention is important.
January 2025 in “Current Trends in Pharmacy and Pharmaceutical Chemistry” New methods for measuring dutasteride are effective and reliable.
November 2022 in “Gigascience” A specific genetic deletion in goats affects cashmere yield and thickness.
2 citations
,
January 2016 in “Scientifica” Researchers created a reliable method to measure dexpanthenol and resorcinol in hair products.
37 citations
,
May 2016 in “JAAD case reports” Oral minoxidil shows promise in treating monilethrix-related hair loss.
October 2024 in “Cosmetics” Afro-textured hair needs personalized care due to its unique genetic traits.
November 2014 in “British Journal of Dermatology” Male hair loss is mainly due to thinner hair, not less hair.
September 2014 in “Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE” OCT can effectively examine and reveal details about human hair and scalp conditions.