5 citations
,
July 2022 in “International Journal of Trichology” Higher doses and longer use of isotretinoin may increase hair loss risk.
5 citations
,
July 2010 in “Journal of life sciences” Gray hair has more continuous medullation and a higher medullary diameter than black hair.
August 2023 in “Clinical, Cosmetic and Investigational Dermatology” Different types of female pattern hair loss have unique characteristics and are associated with various health conditions.
98 citations
,
June 2008 in “Human mutation” A genetic change in the EDAR gene causes the unique hair traits found in East Asians.
10 citations
,
September 2019 in “Frontiers in Veterinary Science” Older steers have higher hair cortisol levels than younger steers.
4 citations
,
January 2019 in “Tropical animal health and production” February 2026 in “Bioengineering” Hyperbaric oxygen therapy may improve hair and scalp health.
February 2026 in “Preprints.org” Hyperbaric oxygen therapy may improve hair growth and scalp health.
Liver abscesses don't affect stress in beef feedlot steers.
Zinc methionylglycinate at 160 ppm improves dog hair and zinc levels best.
4 citations
,
March 2022 in “Ghana Medical Journal” Hair greying is common in Lagos, starting around age 30, more in males than females.
4 citations
,
August 2021 in “Journal of the Korean Society of Cosmetology” Plasma hairdryers cause less hair damage than regular hot air dryers.
37 citations
,
October 2009 in “Veterinary Dermatology” Canine hair follicles contain stem-like cells with high growth potential.
33 citations
,
September 2018 in “Frontiers in Microbiology” Human hair shafts inhibit Gram-positive bacteria growth but not Gram-negative bacteria.
27 citations
,
January 1983 in “Journal of the American Academy of Dermatology” A new method helps identify and classify different types of hair casts.
2 citations
,
January 1994 in “Nihon Chikusan Gakkaiho” Cow colostrum and milk can effectively produce anti-hair keratin antibodies.
May 2025 in “International Journal of Trichology” Low-dose oral minoxidil often causes excess hair growth but doesn't significantly affect quality of life.
Post-COVID-19 hair loss is not linked to vitamin D or quality of life but is linked to hair graying.
8 citations
,
August 2020 in “Domestic Animal Endocrinology” Melatonin improved cashmere production in goats during the first cycle but had no lasting effects on the next cycle.
April 2020 in “Research Square (Research Square)” Melatonin treatment improved cashmere production in goats for one cycle without lasting effects on the next cycle.
12 citations
,
July 2017 in “Scientific reports” Researchers developed a way to study human body clocks using hair tissue, which works similarly in both healthy and dementia patients.
4 citations
,
July 2020 in “International Journal of Cosmetic Science” All hair removal methods irritate underarm skin and cause dryness, with shaving being less irritating but more drying than plucking or waxing.
May 2024 in “Psychoneuroendocrinology”
December 2023 in “Journal of biobased materials and bioenergy” The algae grew better and fixed nitrogen more efficiently when they worked together, using nitrogen and iron.
November 2023 in “Advanced Science” A specific hair protein variant increases the spread of breast cancer and is linked to worse survival rates.
October 2023 in “Ho Chi Minh City Open University Journal of Science - Engineering and Technology” Human hair follicle cells have specific features.
23 citations
,
February 1993 in “Journal of Investigative Dermatology” May 2025 in “Lithuanian University of Health Sciences” Different diets had little effect on guinea pigs' hair and health.
18 citations
,
November 2016 in “Transgenic research” Overexpressing Tβ4 in cashmere goats improves hair fiber traits and increases cashmere yield.
1 citations
,
January 2020 in “Microscopy research” Researchers successfully grew hair follicle stem cells from mice and humans, which could be useful for tissue engineering and regenerative medicine.