20 citations
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January 2003 in “Journal of oleo science” Chemical treatments and daily stresses damage hair, especially the cuticle layer.
7 citations
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January 2010 in “Animal” Angora goat hair grows faster and produces more protein than cashmere goat hair, and certain hormones and nutrients positively affect hair growth and protein synthesis.
7 citations
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February 1998 in “Polymer journal” Keratin structure in hair is stable at pH 5-6 but disrupts between pH 6-7.
February 2023 in “American Journal of Biomedical and Life Sciences” Hair analysis can effectively assess nutritional status.
September 2017 in “Journal of Investigative Dermatology” Fermented mackerel oil was found to promote hair growth by activating certain cell signals and increasing cell growth.
5 citations
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October 2007 in “PubMed” Amino acids in conditioners improve hair strength, hydration, and color retention.
3 citations
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July 2020 in “International Journal of Applied Pharmaceutics” The banana corm extract shampoos are stable and may effectively promote hair growth.
August 2016 in “Journal of Investigative Dermatology” Human hair follicles have a scent receptor that can influence hair growth.
18 citations
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October 2018 in “Nutrients” Annurca apple extract promotes hair growth by changing hair follicle metabolism to boost keratin production.
April 2017 in “Annales de Toxicologie Analytique” Hair analysis is crucial for diagnosing, managing, and monitoring addiction.
15 citations
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January 1971 in “British Journal of Dermatology” Hair can indicate early signs of metabolic disorders, with issues like protein deficiency stopping hair growth.
45 citations
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January 1977 in “Advances in experimental medicine and biology” Hair follicles have an enzyme that converts arginine to citrulline in proteins.
12 citations
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September 2021 in “Journal of molecular structure” The MXD/24HA salt is more effective for hair growth than raw MXD.
October 2018 in “Archivio Istituzionale della Ricerca (Universita Degli Studi Di Milano)” A balanced diet rich in fruits, vegetables, and healthy fats is crucial for maintaining healthy hair and preventing hair loss.
December 2025 in “Chemical Biology & Drug Design” Hesperidin may help reduce hair loss by protecting hair follicles.
1 citations
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March 1958 in “PubMed” 1 citations
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October 2013 in “MacSphere (McMaster University)” Changes in δ¹⁵N values in hair can indicate stress or health issues.
2 citations
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January 2006 in “International Journal of Cosmetic Science” The study found that certain conditioning compounds can penetrate hair and potentially improve its resistance to damage.
A new method was developed to gently isolate hair pigment while keeping its structure intact.
25 citations
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January 2019 in “British Journal of Dermatology” Low oxygen levels can make hair-growing cells better at growing hair through a process involving reactive oxygen species.
3 citations
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January 1966 in “PubMed” 2 citations
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May 2022 in “Journal of trace elements in medicine and biology” Sodium pentaborate pentahydrate can increase hair growth and improve hair quality at certain doses.
11 citations
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April 1982 in “Journal of the Forensic Science Society” Enzyme presence in hair sheath cells decreases over time, affecting forensic analysis.
1 citations
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December 1965 in “PubMed”
4 citations
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July 2022 in “International Journal of Cosmetic Science” Hair moisture behavior helps tell apart different chemical treatments and reveals insights into hair structure.
May 2010 in “International Journal of Cosmetic Science” Mercaptans make hair more prone to damage, with reduced hair being more affected than permed hair.
13 citations
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June 2020 in “International Journal of Molecular Sciences” HNG helps hair grow by keeping hair in the growth phase longer.
The new method accurately measures active ingredients in hair nourishment products.