19 citations
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July 1964 in “PubMed” Hair follicle cells become four types: medulla, cortex, cuticle, and inner root sheath.
15 citations
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June 2019 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” Chemical and physical treatments like bleaching, dyeing, and UV radiation damage both Caucasian and Afro-ethnic hair.
12 citations
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February 2011 in “Zenodo (CERN European Organization for Nuclear Research)” Hair properties vary with age and ethnic origin.
7 citations
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January 2001 in “Comprehensive series in photosciences” UV radiation significantly damages hair, especially with humidity, making it more vulnerable to further damage.
3 citations
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January 2002 in “Springer eBooks” Alkaline hair relaxers damage hair, but cationic and non-ionic polymers can help reduce this damage.
1 citations
,
August 2022 in “Chemical engineering journal advances” Scientists made human hair magnetic by coating it with special nanoparticles.
March 2026 in “Dyes and Pigments” Riboflavin and blue light speed up genipin hair dye, making it fast, glossy, stable, and eco-friendly.
January 2026 in “International Journal of Biological Macromolecules” Small KP peptide improves hair without reducing agents, while larger proteins need them for better results.
January 2026 in “ChemistrySelect” The bio-based hair serum is a sustainable and effective alternative to silicone serums, offering better hair protection and eco-friendly benefits.
30 citations
,
January 1994 in “Micron” Mature hair surfaces are formed by keratinized cells with developed layers, not just modified plasma membranes.
8 citations
,
February 2022 in “International Journal of Dermatology” Lipids are crucial for healthy hair, protecting it from damage and breakage.
January 2020 in “Indian dermatology online journal” Hair styling products can damage hair over time.
117 citations
,
August 2005 in “Ultramicroscopy” Human hair's strength and flexibility vary by ethnicity, damage, and treatment.
73 citations
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October 2013 in “International Journal of Cosmetic Science” Chemical hair straightening can damage hair and health, needing safer alternatives and stricter regulations.
53 citations
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July 2016 in “Cosmetics” Future hair cosmetics will be safer and more effective.
53 citations
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June 2005 in “The journal of investigative dermatology/Journal of investigative dermatology” KAP genes show significant genetic variability, but its impact on hair traits is unclear.
30 citations
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April 2009 in “Mycoses” Microsporum gypseum fungus breaks down keratin in hair by digesting it enzymatically, starting with less keratinized parts.
8 citations
,
January 2023 in “International journal of molecular sciences” Transglutaminase activity is important for skin and is found in both mammals and birds.
2 citations
,
December 2022 in “Journal of toxicologic pathology” Skin structure complexity and variability are crucial for assessing skin toxicity in safety tests.
Hairlessness in mammals is due to complex genetic changes in both genes and regulatory regions.
June 2025 in “Current Issues in Molecular Biology” Minoxidil, caffeine, and biotin can improve hair shine by restoring certain genes.
854 citations
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February 2002 in “The journal of investigative dermatology/Journal of investigative dermatology” Understanding hair follicle development can help treat hair loss, skin regeneration, and certain skin cancers.
50 citations
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February 2016 in “Journal of Investigative Dermatology” A mutation in the KRT25 gene causes a rare hair disorder with thin, woolly hair.
26 citations
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December 1999 in “Journal of Investigative Dermatology” Certain genes are linked to wool follicle structure and function, but not hair cycle regulation.
3 citations
,
March 2019 in “Tekstil Ve Konfeksiyon” Anatolian native goat down-hair is similar to cashmere and can be used for high-quality textiles.
A genetic variant in the KRT71 gene may cause loose anagen hair and wooly hair, and symptoms might improve with age.
1 citations
,
June 2023 in “Skin Research and Technology” Hair-coating shampoos dye better initially, but hair-oxidation shampoos keep color longer and may damage hair more.
517 citations
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February 2010 in “Materials” Keratin from hair and wool is used in medical materials for healing and drug delivery.
86 citations
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April 2009 in “Journal of anatomy” Hard skin features like scales, feathers, and hair evolved through specific protein changes in different animal groups.
7 citations
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April 2018 in “Cosmetics” Lipids in Japanese hair help maintain glossiness and structure.