A natural compound called VB-1 can help promote hair growth by boosting a specific cell signal in human skin cells.
November 2022 in “Nihon Nyuusankin Gakkaishi/Nihon Nyūsankin Gakkaishi” The lotion with N793 strain significantly increased hair density and reduced hair loss safely.
36 citations
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August 2018 in “Dermatologic Clinics” Trichoscopy is a useful tool for diagnosing hair disorders without pulling out hair.
3 citations
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January 2015 in “Mathematical problems in engineering” Hair damage increases significantly with higher temperatures and longer heating times.
March 2009 in “CRC Press eBooks” Hair conditioner makes wet hair easier to comb by reducing friction.
July 2025 in “International Journal of Cosmetic Science” A new 6-point scale reliably measures heat damage to hair from styling tools.
September 2016 in “Journal of Dermatological Science” Polarizing light microscopy can easily and reliably diagnose congenital keratinizing disorders like Netherton syndrome.
January 2025 in “SSRN Electronic Journal” 48 citations
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July 1993 in “Archives of Dermatological Research” Merkel cells are abundant in facial vellus hair follicles, especially during the anagen phase.
May 2026 in “Microchemical Journal”
4 citations
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June 2021 in “Scientific Reports” Hair fiber shape and curvature are not significantly linked when ancestry is considered.
December 1978 in “Indian Journal of Otolaryngology and Head & Neck Surgery”
October 2014 in “Springer eBooks” Rabbit hair fibers are similar to wool and have a hollow center like feathers.
Pseudofolliculitis causes painful bumps and dark spots from shaving, especially in people with curly hair, and can be treated by changing shaving habits and using specific topical treatments.
May 2023 in “Tạp chí Y Dược học Cần Thơ” The shampoo with grapefruit peel and Gleditsia sinensis helps mice grow hair faster, more, and longer.
July 2009 in “International Journal of Cosmetic Science” Japanese women's curved hair has an uneven internal structure and varied amino acid composition.
2 citations
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January 2017 Hair movement can indicate hair quality and health.
A 5-year-old girl has sparse, dry, and brittle hair but is otherwise healthy.
October 2023 in “arXiv (Cornell University)” Human hair keratins might be good for filtering out harmful substances like diclofenac and PFBS from water.
16 citations
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July 2014 in “Cell Biology International” Lithium chloride helps hair follicle cells become tooth cells by activating a specific signaling pathway.
45 citations
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December 2004 in “Forensic Science International” Laser microdissection helps get DNA from single hair follicles for better forensic analysis.
12 citations
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July 1993 in “In Vitro Cellular & Developmental Biology - Animal” Minoxidil enhances hair growth and preserves the root sheath in cultured follicles.
5 citations
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August 2023 in “Skin Research and Technology” Hairy skin feels prickling more intensely than smooth skin.
January 2024 in “Journal of cutaneous and aesthetic surgery” Scalp injuries and harsh hair care can cause severe hair matting in children.
17 citations
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August 1979 in “Journal of The American Academy of Dermatology” A new staining method helps tell growing from resting hairs to diagnose hair loss.
52 citations
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January 2020 in “Scientific Reports” NLCs with manual massage greatly improve clobetasol delivery to hair follicles.
13 citations
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November 1959 in “Annals of the New York Academy of Sciences” Human hair follicles can grow back.
33 citations
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September 2008 in “Biochemical and Biophysical Research Communications” Hair follicles can be used to easily create neurons and glial cells for potential nerve repair.
1 citations
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January 2021 in “SSRN Electronic Journal” Nanomaterials can make hair care products work better and safer.
2 citations
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April 1970 in “Archives of Dermatology” Ichthyosis serpentina may be a variant linked to bamboo hair, with a possible genetic component.