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.
6 citations
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October 1988 in “Clinics in Dermatology” The molecular details of hair growth are not well understood.
27 citations
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February 2017 in “Biomedicine & Pharmacotherapy” White wax and policosanol from white wax effectively reduced hair loss and promoted hair growth in mice better than a known hair growth drug.
98 citations
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November 2002 in “Contact Dermatitis” Many people had severe allergic reactions to a common hair dye ingredient, causing them to seek medical care and miss work.
7 citations
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January 1981 in “Springer eBooks” Certain small molecules and polymers can change hair's physical properties and how it feels by affecting the bonds within the hair.
67 citations
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July 2000 in “Proceedings of the National Academy of Sciences” The model accurately simulates human hair growth and hair loss patterns.
August 2025 in “Journal of Industrial and Engineering Chemistry” A new topical finasteride formulation effectively promotes hair growth with fewer side effects.
41 citations
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January 2001 in “Journal of Investigative Dermatology” Procyanidins and phosphatidic acids help promote hair growth.
Polyphenolic compounds may help hair growth but need more research.
25 citations
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October 1962 in “Journal of Ultrastructure Research” The hair follicle structure is more complex than thought, with new findings on protein formation.
103 citations
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April 2005 in “Experimental dermatology” Prostaglandin F2alpha and related compounds can increase hair growth and darken hair in mice.
November 2025 in “Journal of Investigative Dermatology” AMP-303 injections can increase hair growth in androgenetic alopecia with minimal side effects.
November 2019 in “British Journal of Dermatology” FOL-005 peptide may help treat excessive hair growth safely.
1 citations
,
August 2021 Biomimetic dermal papilla spheres can help regenerate hair to some extent.
13 citations
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September 2015 in “Aesthetic Surgery Journal” Transplanting hair from the nape and around the ear to the hairline and temples generally satisfies patients and looks natural.
1 citations
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June 2014 in “[Thesis]. Manchester, UK: The University of Manchester; 2014.” Chemical modifications can alter hair's stability and flexibility, with hydrophobic interactions helping maintain structure in humid conditions.
Human hair can almost fully recover its structure within about 1,000 minutes after being stretched.
5 citations
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October 2024 in “International Journal of Molecular Sciences” Piperonylic acid may help hair growth and treat hair loss.
19 citations
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November 2012 in “British Journal of Dermatology” Dopamine stops hair growth and pigment production in human scalp hair follicles.
14 citations
,
January 1996 in “Journal of Forensic Sciences” Hair can absorb and transfer opiates when soaked in water, with damaged hair absorbing more.
October 2019 in “DOAJ (DOAJ: Directory of Open Access Journals)” The nanoparticles effectively deliver herbal extract to enhance hair growth.
32 citations
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January 2008 in “Journal of Microencapsulation” Cosmetics with hinokitiol-loaded nanocapsules were found to effectively promote hair growth.
13 citations
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May 2016 in “International journal of biological macromolecules” Keratin's mechanical properties are influenced by hydrogen bonds and secondary structure, and can be improved with the SPD-2 peptide.
69 citations
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January 2009 in “Advances in Materials Science and Engineering” Wool keratin is reactive, biocompatible, biodegradable, and can model keratin from other sources.
November 2007 in “Science” Keratin-based hydrogels from human hair help nerve repair better than traditional methods.
8 citations
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April 2017 in “Journal of The Royal Society Interface” Giant axonal neuropathy changes the structure of keratin in human hair.
12 citations
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January 1934 in “Proceedings of the Royal Society of London Series B Containing Papers of a Biological Character” Stretched hair has a similar structure to natural silk, showing hair's elasticity involves reversible changes within its molecules.
December 2019 in “C&EN Global Enterprise” Thicker hair isn't always stronger.
2 citations
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June 2018 in “Cosmetics” AMPD is a better and less damaging alternative to ammonium hydroxide for hair bleaching.