9 citations
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June 1947 in “Analytical Chemistry” Cold waving solutions quickly reduce cystine to cysteine in hair.
7 citations
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September 2020 in “International Journal of Cosmetic Science” Different sizes of keratin peptides can strengthen hair, with smaller ones possibly increasing volume and larger ones repairing damage.
6 citations
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February 2021 in “Proteins” Researchers found that the most reachable bonds in wool fibers are near the ends of certain proteins, which help stabilize the fiber's structure.
6 citations
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December 2019 in “International Journal of Cosmetic Science” White hair has weaker tryptophan fluorescence than other unpigmented fibers, possibly due to UV exposure or unknown substances.
3 citations
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June 2019 in “Journal of cosmetic dermatology” Lower pH straighteners change hair more but weaken it.
1 citations
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January 2023 in “Chemical Engineering Journal”
1 citations
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January 2002 Hair shine can be measured by how it reflects laser light.
August 2025 in “Animal Bioscience” m6A methylation affects the thickness of Alpine Merino wool fibers.
November 2022 in “International journal of trichology” Glyoxylic acid straighteners cause more protein loss but have similar hair strength effects as traditional alkaline straighteners.
September 2022 in “Canadian journal of animal science” Certain gene variations are linked to the thickness of cashmere goat hair.
December 2021 in “Cosmetics”
The conclusion cannot be provided because the document is not accessible.
January 2009 in “Chinese journal of Clinical Medicine”
March 2005 in “International Journal of Cosmetic Science” DVI provides detailed 3D imaging of hair and shows how various products protect and enhance hair.
January 2005 in “Seibutsu Butsuri/Seibutsu butsuri” Chemical treatments damage hair more than UV exposure, making it thinner and less flexible.
42 citations
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February 1996 in “Journal of Investigative Dermatology” Polyamines, especially spermidine, are essential for hair growth.
3 citations
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April 2002 in “Animal Science” Spermidine injections increased wool growth rate in lambs without changing fibre thickness.
40 citations
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June 2013 in “Biomaterials” Scientists created 3D hair-like structures that could help study hair growth and test treatments.
13 citations
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January 2017 in “Cosmetics” Different tests are used to see how hair care products affect hair, and choosing the right test is important for accurate results.
11 citations
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July 2021 in “Sustainability” Concrete made from animal bones and human hair is stronger and more environmentally friendly than traditional concrete.
September 2022 in “Cosmetics” September 2021 in “LAUTECH Journal of Civil and Environmental Studies”
June 2021 in “Research Square (Research Square)” Dyed chitin nanofibers are strong, colorful, and water-resistant, enhancing resin strength and color.
Nonlinear artificial neural networks are better at identifying different types of animal hair than linear ones.
8 citations
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October 1979 in “PubMed” Jute-batching oil alone didn't cause cancer in mice, but it may promote cancer when combined with another carcinogen.
4 citations
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January 2016 in “Skin research and technology” Oxidative hair dye changes hair color and structure but doesn't weaken it.
February 2025 in “International Journal of Cosmetic Science” Protein carbonylation is a sensitive marker for oxidative damage in hair, especially from light exposure.
125 citations
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August 1992 in “Development” Implanted dermal papillae can induce hair growth in rat ear wounds.