East and Southeast Asians typically have less dense but thicker, straight black hair.
April 2026 in “Journal of Ethnopharmacology” 15 citations
,
October 2004 in “Colloids and surfaces. B, Biointerfaces” Holes in mature hair are likely caused by the removal of substances during hair care.
42 citations
,
December 2018 in “International Journal of Phytocosmetics and Natural Ingredients” Olive and Brazil nut oils improve hair strength, shine, and softness better than silicone.
82 citations
,
November 1959 in “Annals of the New York Academy of Sciences”
7 citations
,
January 2013 in “Journal of Cosmetics, Dermatological Sciences and Applications” Argan oil and cupuassu butter can protect hair after dyeing.
April 2024 in “Cosmetics” Different oils affect hair flexibility and strength, with their impact varying on whether hair is virgin or bleached.
3 citations
,
December 2018 in “Routledge eBooks” Hair is made of strong keratin fibers that protect against the environment.
27 citations
,
June 2020 in “Genes” Lykoi cats' unique sparse hair is linked to specific genetic variants in the Hairless gene.
October 2015 in “Cosmetic Dermatology” Hair styling products and tools help improve hair's look and manageability but can damage hair if used incorrectly.
1 citations
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April 2016 in “Journal of The American Academy of Dermatology” The study concludes that Loose Anagen Hair Syndrome is a benign condition that usually improves with age but can be hard to diagnose and stressful for the family.
March 2026 in “World Journal of Biology Pharmacy and Health Sciences” The polyherbal hair oil is stable, cosmetically acceptable, and a potential natural alternative to synthetic hair products.
November 2013 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” Keratin 79 cells help form and regenerate hair canals.
15 citations
,
January 1992 in “Sen'i Gakkaishi” The Cell Membrane Complex in hair has both water-attracting and water-repelling layers.
1 citations
,
January 2017 in “Elsevier eBooks” Functional materials in hair care improve shine, volume, frizz control, color protection, and repair.
12 citations
,
October 1996 in “Dermatologic clinics” Advances in genetics may lead to targeted treatments for hair disorders.
17 citations
,
August 2018 in “BMC Genomics” The HOXC13 gene affects different hair proteins in cashmere goats in varied ways and is controlled by a feedback loop and other factors.
A young athlete's fragile hair condition improved by cutting hair and using gentle shampoo.
2 citations
,
November 1961 in “American Journal of Clinical Nutrition”
January 2007 in “Más dermatología” Gentle hair care and some medications can help manage hair shaft disorders, but no specific treatment exists for congenital issues.
January 2006 in “Journal of Society of Cosmetic Chemists of Japan” The new hybrid polymer improves dyed hair's color, feel, and manageability.
4 citations
,
June 2022 in “ACS applied materials & interfaces” New wig coating technique makes them more durable, UV resistant, and less static.
2 citations
,
May 2020 in “Journal of the American Academy of Dermatology” Hair shaft changes may be linked to CCCA, but their role is unclear.
12 citations
,
October 2007 in “PubMed” Keratin helps protect and strengthen hair, reducing damage and color fading.
40 citations
,
June 2013 in “Scientific Reports” A gene variant in KRT71 causes the curly fur in Selkirk Rex cats.
December 2025 in “Biopolymers” Heat worsens damage in chemically treated hair, especially bleached and straightened hair.
December 2022 in “Communications biology” 21 citations
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December 2015 in “European journal of cell biology” Tight junctions create a barrier in pig hair follicles that controls what can enter the skin.