3 citations
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April 2018 in “JURNAL ILMU KEFARMASIAN INDONESIA” Ambon banana weevil extracts can be used in hair care products to promote hair growth.
20 citations
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December 2010 in “Journal of Morphology” Lizard claws have hair-like keratins similar to those in mammals.
January 2012 in “International Journal of Trichology” Two siblings have a rare genetic condition causing curly, coarse hair.
Certain short peptides can increase root hair growth in tobacco plants.
93 citations
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May 1990 in “The EMBO Journal” Mice with extra sheep genes had hair that fell out and regrew in cycles.
February 2024 in “Advanced Materials” OG6, a sugar-based material, can stimulate hair growth.
9 citations
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January 1975 in “The Histochemical Journal” Dog hair follicles contain important molecules that may affect hair growth.
1 citations
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August 2025 in “Epigenetics & Chromatin” H3K4me3 helps control RSPO3 to influence hair growth and development.
7 citations
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November 2014 in “Histochemistry and Cell Biology” The we/we wal/wal mice have defects in hair growth and skin layer formation, causing hair loss, useful for understanding alopecia.
The FOS gene helps hair growth in Tan sheep.
1 citations
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February 1991 in “Journal of Biological Chemistry”
24 citations
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July 2015 in “Biogeosciences” A fungus is essential for forming and shaping hair ice on dead wood.
4 citations
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June 2020 in “Cosmetics” Broussonetia papyrifera extract helps hair growth by regulating specific proteins.
6 citations
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June 1981 in “PubMed” Whisker hair in young people might predict severe future hair loss.
November 2025 in “Nature Communications” Hair growth may involve a pulling force from the outer root sheath.
6 citations
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May 2020 in “Molecules/Molecules online/Molecules annual” Yak belly hair has higher porosity and is less stiff than human hair, making it absorb dye better but less suitable as a direct substitute for hair dyeing.
April 2025 in “OPAL (Open@LaTrobe) (La Trobe University)” Exosomes from small-tailed Han sheep enhance hair growth in mice.
January 2026 in “International Journal of Molecular Sciences” S100a4 is key for hair growth in cashmere goats.
July 2023 in “International journal of physiology” Hypertrichosis lanuginosa causes excessive fine hair growth, often linked to genetics or cancer, with limited treatment options.
13 citations
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April 1994 in “Journal of Investigative Dermatology” Androgen receptors found in monkey scalps, similar to humans, affect hair growth.
Vogt–Koyanagi–Harada disease can cause rare hair growth on normally hairless thumb skin.
December 2024 in “Planta Medica” Certain plants may help hair growth in alopecia.
The goat hair keratin gene is very similar to sheep's and is strongly expressed in goat hair follicles.
September 2023 in “Cells tissues organs” Mice skin matures by day 200, leading to aging signs like curved hair follicles and white hairs due to changes in skin stem cells.
October 2017 in “The Japanese Biochemical Society/The Molecular Biology Society of Japan” Some natural compounds might help hair grow.
23 citations
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July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” Certain chemicals and peptides can promote hair growth or prevent baldness.
February 2026 in “Chinese Journal of Natural Medicines” September 2011 in “대한미용학회지” Bear oil promotes hair growth and increases hair density.
5 citations
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November 2017 in “Asian journal of pharmaceutical and clinical research” Pakis Gajah (Angiopteris evecta) water extract may promote hair growth in rabbits, but more research is needed for human use.
2 citations
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January 2019 in “Dermatology Review” Pigmented vellus and upright regrowing hairs predict hair regrowth in severe alopecia.