33 citations
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January 2000 in “Acta Oto-Laryngologica” Epidermal growth factor increases extra hair cells in newborn rat ears.
9 citations
,
March 2008 in “British Journal of Dermatology” Efalizumab can cause unexpected excessive hair growth.
January 2014 in “Journal of the Korean Society of Design Culture” The study confirmed that changes in hair structure in women with hair loss conditions matched what is taught in beauty college trichology courses.
3 citations
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June 2017 in “Journal of Biomaterials Applications” Keratin extract from human hair was found to promote hair growth in mice.
February 2020 in “The Pharmaceutical Society of Japan” Amla extract may help hair grow.
January 2024 in “Cosmetics” HAIR & SCALP COMPLEX may help treat hair loss by stimulating hair growth and restarting the hair cycle.
2 citations
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March 2021 in “bioRxiv (Cold Spring Harbor Laboratory)” Hairless mammals have genetic changes in both their protein-coding and regulatory sequences related to hair.
January 2025 in “Advanced Materials Interfaces” Tannic acid can reduce hair loss by 56.2% by coating hair and releasing beneficial molecules.
1 citations
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August 1981 in “The Journal of Dermatology” All major hair defects involve cuticle abnormalities.
A 5% pomegranate peel water extract optimally enhances hair growth.
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.
July 2024 in “Journal of Nanobiotechnology” Mouse cell exosomes help hair regrowth and wound healing by activating a specific signaling pathway.
8 citations
,
October 2011 in “Anthropologischer Anzeiger” Pubic hair is thicker than axillary and scalp hair, useful for forensic identification.
October 2018 in “Springer eBooks” The document concludes that various hair disorders have different treatments, including medication, surgery, and addressing underlying causes.
24 citations
,
December 1990 in “Pediatric Dermatology” Tight hairstyles like ponytails may cause hair casts by affecting scalp circulation and causing inflammation.
249 citations
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May 2003 in “Developmental Biology” Ectodysplasin-A1 is crucial for developing hair, teeth, and glands.
1 citations
,
May 2022 in “International Journal of Cosmetic Science” Edelweiss extract can increase hair density and promote hair growth.
Trichorrhexis nodosa causes hair to break easily, often affecting young to middle-aged black women.
1 citations
,
March 2013 in “Biomédica” A score of 6 or less is recommended to diagnose hirsutism in Colombian women.
August 2016 in “Journal of Investigative Dermatology” Human hair follicles have a scent receptor that can influence hair growth.
June 2023 in “Frontiers in Genetics” Genes related to calcium signaling and lipid metabolism are important for curly hair in Mangalitza pigs.
October 2005 in “Nature reviews. Molecular cell biology (Print)” Hairless protein is key for hair growth, cell differences cause gene expression variation, and the N-end rule pathway senses nitric oxide for protein breakdown.
21 citations
,
December 2011 in “Chungara” Mummy hair's chemical composition may not accurately show ancient people's health due to environmental contamination.
7 citations
,
January 2005 in “Dermatology” A new method for studying hair follicles is easier and more precise, useful for hair loss and cancer treatment research.
6 citations
,
January 2000 in “Dermatology” A girl's severely tangled hair couldn't be fixed and had to be cut due to a rare condition called plica neuropathica.
13 citations
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November 1959 in “Annals of the New York Academy of Sciences” Human hair follicles can grow back.
2 citations
,
January 2000 Lasers are effective for hair removal, especially for conditions like excessive hair growth.
The goat hair keratin gene is very similar to sheep's and is strongly expressed in goat hair follicles.
5 citations
,
November 2012 in “Journal of the American Academy of Dermatology” A 3-year-old girl has short anagen syndrome, causing her hair to stay short.
2 citations
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July 1994 in “Journal of Dermatological Science” Grafted human scalp samples on mice can produce human hair, useful for studying hair genetics.