January 2022 in “Surgical & Cosmetic Dermatology” Isotretinoin can rarely cause hair to grow curly.
May 2026 in “Zenodo (CERN European Organization for Nuclear Research)” The herbal cream effectively smooths and straightens hair safely.
8 citations
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July 2004 in “Journal of morphology” Marsupial hair structure and keratin distribution are similar to placental mammals.
The conclusion cannot be provided because the document is not accessible.
May 2026 in “Zenodo (CERN European Organization for Nuclear Research)” The herbal cream effectively smooths and straightens hair safely.
8 citations
,
August 1993 in “Colloid & Polymer Science” The observed "toughening" in keratin was actually due to water evaporation, not a real change in keratin.
December 2025 in “Advanced Healthcare Materials” The Spherical Skin Model improves drug and cosmetic testing by accurately mimicking human skin for efficient compound screening.
4 citations
,
January 2006 in “International Journal of Cosmetic Science” The method shows how hair lipids form specific patterns and their roles in hair structure.
February 2019 in “PubMed” The research found that twisting hair fibers can show changes in stiffness and damage, and help tell apart different hair treatments.
January 2010 in “EPub Bayreuth (University of Bayreuth)” Polyquaternium-87 reduces hair friction the most among tested polymers.
October 2022 in “Journal of Natural Fibers” 35 citations
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September 2003 in “Archives of dermatology” Tiger tail bands in hair are caused by wavy hair fibers with melanin, unlike straight fibers in normal hair.
January 2021 in “Journal of clinical & experimental dermatology research” LustrivaTM improves hair thickness and reduces facial wrinkles safely.
Hair feels different when touched and rubs together in various ways.
February 2021 in “Journal of the Korean Society of Cosmetology” Castor oil improves the texture of bleached hair by increasing its strength.
March 2026 in “Journal of the mechanical behavior of biomedical materials/Journal of mechanical behavior of biomedical materials” Hair cuticles remain stable and resilient under stress due to strong protein content and crosslinking.
4 citations
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November 1968 in “Textile research journal” Hair fibers may have a unique, non-protein sheath not previously identified.
March 2005 in “International Journal of Cosmetic Science” A new method helps understand hair shine and various products improve hair care.
Different treatments change the strength and flexibility of human hair.
November 2024 in “Applied Sciences” Wild strawberry waste extract can be a sustainable cosmetic ingredient for treating acne and hair loss.
January 2013 in “프로그램북(구 초록집)” Hair perms or treatments seem safe to use up to 3 to 4 times during pregnancy.
43 citations
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September 2001 in “Scanning” Hair treatments like bleaching increase friction by exposing tiny pores on the hair surface.
17 citations
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July 2018 in “International Journal of Cosmetic Science” Keratin-based particles safely improve hair strength, smoothness, and heat protection.
15 citations
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August 2015 in “Scanning” Corkscrew and cigarette-ash-shaped hairs in tinea capitis are caused by internal hair degradation and external resistance.
January 2005 in “Seibutsu Butsuri/Seibutsu butsuri” Chemical treatments damage hair more than UV exposure, making it thinner and less flexible.
January 2026 in “SSRN Electronic Journal” 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.
2 citations
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January 2010 Tianzhu white yak hair varies in structure and density between fuzz and coarse hair.
9 citations
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July 2018 in “Journal of Testing and Evaluation” Adding human hair to sand improves its strength when dry and maintains strength when wet.