84 citations
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April 2015 in “Cosmetics” Hair dyes vary in how long they last and how deeply they penetrate hair.
30 citations
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July 2000 in “PubMed” Hair has unevenly distributed proteins and lipids, with lipids mainly in the cuticle and proteins in the cortex and medulla.
5 citations
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February 2014 in “Journal of chemical ecology” Eastern Red Bat hair contains various glycerophospholipids, mainly phosphatidylcholine.
2 citations
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January 1986 in “PubMed” PIXE is an effective method to analyze hair's elemental composition.
1 citations
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July 2024 in “International Journal of Cosmetic Science” Infrared techniques reveal glycogen, unsaturated lipids, and calcium compounds in hair.
1 citations
,
August 2022 in “Plant Signaling & Behavior” Growth media with sucrose and gelrite significantly enhance Arabidopsis root hair growth.
December 2025 in “Zenodo (CERN European Organization for Nuclear Research)” Aloe vera in hair products promotes healthy, strong hair but may cause allergies in some people.
December 2025 in “Zenodo (CERN European Organization for Nuclear Research)” Aloe vera improves hair health but may cause irritation for some people.
January 2006 in “mediaTUM – the media and publications repository of the Technical University Munich (Technical University Munich)” Cattle hair isotope analysis can reveal diet and farm system characteristics.
254 citations
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January 2007 in “Chemical Society Reviews” Hair is a complex protein fiber with unique properties useful for developing hair products.
2 citations
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September 2022 in “Frontiers in genetics” Different proteins are linked to the varying thickness of sheep and goat hair types.
The conclusion is that hair supplement ingredients may be unsafe and should be disclosed and proven safe before use.
October 2025 in “Zenodo (CERN European Organization for Nuclear Research)” Herbal hair oils are safe and effective for healthy hair and scalp.
October 2025 in “Zenodo (CERN European Organization for Nuclear Research)” Herbal hair oils are safe and effective for healthy hair and scalp.
Hair fiber research combines multiple sciences to improve hair care products.
4 citations
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February 2007 in “Journal of the European Academy of Dermatology and Venereology” The study suggests silicon might be important for healthy hair, as less silicon was found in people with hair loss.
2 citations
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January 2013 Hair can help solve crimes by revealing personal and chemical information.
September 2024 in “Journal of Investigative Dermatology” A new tool can analyze hair to detect changes due to hormones, genetics, and aging.
86 citations
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January 1996 in “Clinics in dermatology” Hair can be damaged by daily routines, but protein-based products can protect and improve it.
76 citations
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December 2011 in “Journal of Cell Science” Different keratin types have unique amino acid patterns that are evolutionarily conserved.
1 citations
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December 2022 in “Middle East Journal of Science” Permanent hair dyes use chemicals that react with hydrogen peroxide to create color.
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.
January 2019 in “Trace Elements in Medicine (Moscow)” Hair analysis may help monitor health in children with Down syndrome and obesity.
June 2012 in “International journal of scientific research” Hair follicles in androgenetic alopecia show no chemical changes, only size reduction.
135 citations
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December 2013 in “Seminars in Cell & Developmental Biology” Stem cells in the hair follicle are regulated by their surrounding environment, which is important for hair growth.
40 citations
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May 2016 in “Proceedings of the National Academy of Sciences of the United States of America” Changes in keratin make hair follicles stiffer.
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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July 2022 in “Chemistry - an Asian journal” Scientists created a 3D printed skin that includes hair and layers similar to real skin using a special gel.
17 citations
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February 2011 in “International Journal of Cosmetic Science” Grey hair is wilder, drier, and less manageable than pigmented hair.
11 citations
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January 1981 in “Cells Tissues Organs” Human hair cuticle has five cell layers with specific junctions and granules.