3 citations
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July 2016 in “International Journal of Dermatology” Minoxidil treatment increased hair density in a young Asian girl with short anagen syndrome, but didn't improve hair length or thickness.
61 citations
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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.
27 citations
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February 2017 in “Clinical, Cosmetic and Investigational Dermatology” New compounds were found to help increase hair growth and decrease hair loss.
5 citations
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August 2012 in “Journal of Dermatology” Tamoxifen may cause female hair loss by increasing androgen receptor expression.
7 citations
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February 2013 in “Tropical Journal of Pharmaceutical Research” Licorice root extract may promote hair growth in female rats.
15 citations
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July 2004 in “Journal of morphology” Monotreme hair structure and protein distribution are similar to other mammals, but their inner root sheath cornifies differently, suggesting a unique evolution from reptile skin.
September 2018 in “Cosmetics” Inositol and arginine solutions improve hair follicle health and turnover.
9 citations
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August 2019 in “Journal of The European Academy of Dermatology and Venereology” Minoxidil activation by hair enzymes predicts treatment success for female hair loss.
1 citations
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May 2021 in “Journal of Cosmetic Dermatology” Cosmetic foam product reduces hair loss and increases hair density in men.
32 citations
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December 1969 in “The Lancet” Children with marasmus have more resting hair follicles and thinner, less pigmented hair, showing long-term malnutrition.
24 citations
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November 1978 in “Biochemistry” α-type filaments in guinea pig hair follicles have unique structural features.
18 citations
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December 2020 in “Frontiers in cell and developmental biology” miR-140-5p in certain cell vesicles helps hair growth by boosting cell proliferation.
22 citations
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March 2017 in “Scientific reports” Double-stranded RNA causes inflammation in hair follicle cells, which may help understand and treat alopecia areata.
6 citations
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June 2017 in “Asian journal of beauty & cosmetology” Rosa multiflora root extracts may help promote hair growth and have anti-aging benefits.
9 citations
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December 2020 in “British Journal of Dermatology” Low-dose oral minoxidil increases hair thickness and length in children with a hair disorder called Loose Anagen Hair Syndrome.
June 2020 in “Applied sciences” A new semi-automatic hair implanter could make hair transplants easier, more successful, and more accessible.
4 citations
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February 2012 in “Chinese Science Bulletin” The MtAnn3 gene affects root hair growth and is influenced by cytokinin.
December 2017 in “International Journal of Current Research in Biosciences and Plant Biology” Nutrients and hormones affect root hair growth, but more research is needed to understand the genetic mechanisms.
7 citations
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December 2011 in “Annals of anatomy” Involucrin helps strengthen the inner parts of human hair.
April 2018 in “The journal of investigative dermatology/Journal of investigative dermatology” Ginseng and Albizia extracts may help prevent age-related hair thinning.
March 2021 in “Research Square (Research Square)” The SbbHLH85 protein helps sweet sorghum grow more root hairs but makes the plant more sensitive to salt.
38 citations
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June 2018 in “Plant & cell physiology/Plant and cell physiology” Changing the amount of PLC5 in Arabidopsis affects root growth and drought resistance, with less PLC5 slowing root growth and more PLC5 improving drought tolerance but hindering root hair growth.
67 citations
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July 1985 in “British journal of dermatology/British journal of dermatology, Supplement” Men's thigh hair grows longer and has a longer growth cycle than women's, but arm hair growth is similar between genders.
24 citations
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January 2022 in “Journal of Nanobiotechnology” Quaternary ammonium iminofullerenes help maize roots grow better under stress by reducing oxidative damage.
April 2019 in “Journal of Investigative Dermatology” Low-level laser therapy helps hair growth and reduces hair loss with few side effects.
2 citations
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July 2023 in “Agronomy” Melatonin helps wheat plants resist drought by improving their root and root hair growth.
January 2025 in “Nature Communications” CPK1 helps root hair growth in Arabidopsis by activating channels for calcium signaling.
57 citations
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November 1987 in “Pediatric Dermatology” Children's hair grows in different types from before birth through puberty, with growth rates and characteristics varying by age, sex, and race.
13 citations
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August 1995 in “Australasian Journal of Dermatology” Hair follicles are smaller in people with androgenetic alopecia compared to those with normal scalps.
10 citations
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January 2014 in “Genetics and Molecular Research” Liaoning Cashmere goat hair follicles show synchronized growth patterns with lowest activity in May.