Sublingual minoxidil increases hair thickness in men with hair loss.
3 citations
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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.
2 citations
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August 2019 in “International Journal of Cosmetic Science” Older age and certain lifestyles are linked to thinner, weaker hair, while how you see your hair relates to its thickness.
October 2025 in “Dermatology and Therapy” Nutrafol® nutraceuticals improve hair thickness and strength.
6 citations
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May 2020 in “Scientific reports” Researchers identified genes and proteins that may influence wool thickness in sheep.
30 citations
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March 2019 in “Archives animal breeding/Archiv für Tierzucht” The KRTAP15-1 gene affects cashmere fiber thickness in goats.
November 2015 in “Summit (Simon Fraser University)” Surgical stress temporarily changes hair fiber dimensions, returning to normal after four weeks.
10 citations
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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.
5 citations
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October 2011 in “Small ruminant research” Goat hair growth and follicle activity change with the seasons and differ between males and females.
August 2019 in “Research Square (Research Square)” Red LED light improves the quality of Angora rabbit wool by promoting hair growth.
7 citations
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July 2004 in “International Journal of Cosmetic Science” Different hair types from various ethnic groups affect hair shine due to characteristics like thickness and shape.
27 citations
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January 2010 in “Animal” South American camelids should be sheared early, fleece type affects fiber quality, and the S/P follicle ratio doesn't distinguish between Bolivian llama genotypes.
3 citations
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January 2025 in “Animal Genetics” Variants on chromosome 10 affect hair thickness in Dazu black goats.
3 citations
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March 2019 in “Tekstil Ve Konfeksiyon” Anatolian native goat down-hair is similar to cashmere and can be used for high-quality textiles.
29 citations
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December 2011 in “British Journal of Dermatology” A new hair treatment with caffeine and other ingredients makes hair thicker and less likely to break.
February 2026 in “Small Ruminant Research” The IRF2BP2 gene affects sheep fleece quality by influencing fiber traits.
July 2012 in “British Journal of Dermatology” Women generally want more hair volume, which becomes a concern around menopause due to hair loss.
Higher methionine in pregnant rabbits' diets improves baby rabbits' hair growth.
Higher methionine levels in pregnant rabbits' diets improve hair follicle development and hair fiber diameter in their babies.
1 citations
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January 1996 Cysteine and arginine are essential for hair growth and thickness.
21 citations
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July 2010 in “International Journal of Cosmetic Science” Older people's hair becomes less shiny because it gets more uneven and curved.
4 citations
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July 2022 in “Scientific reports” Crossbreeding improves goat fiber quality, and specific genes affect hair traits and color.
1 citations
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March 2018 in “bioRxiv (Cold Spring Harbor Laboratory)” The hair treatment made hair grow faster and thicker and strengthened the hair roots.
8 citations
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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.
48 citations
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February 2010 in “Molecular biology reports” KAP7.1 and KAP8.2 genes are crucial for cashmere quality in goats.
116 citations
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January 1957 in “Australian Journal of Agricultural Research” Certain hair follicle traits in Merino sheep may be inherited.
July 2025 in “Clinical and Experimental Dermatology” Hair loss (telogen effluvium) happens before male pattern baldness.
20 citations
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July 2010 in “Skin Research and Technology” Aging makes hair thinner and rougher, with less clear edges.
September 2022 in “Canadian journal of animal science” Certain gene variations are linked to the thickness of cashmere goat hair.