January 2026 in “Digitalen Hochschulbibliothek Sachsen-Anhalt (Universitäts- und Landesbibliothek Sachsen-Anhalt)” Keratin from chicken feathers can be safely used for skin benefits.
59 citations
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January 1976 in “Vitamins and hormones” Prostate cells have proteins that bind to specific hormones, which can increase protein production when activated by these hormones.
January 1985 in “OhioLink ETD Center (Ohio Library and Information Network)” July 1971 in “The journal of nutrition/The Journal of nutrition” Higher quality and quantity of protein lead to better body and hair growth in rats.
23 citations
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January 2017 in “Journal of Oleo Science” Supercritical CO2 extraction makes rice bran oil healthier and safer than traditional methods.
1 citations
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January 2015 in “MOspace Institutional Repository (University of Missouri)” Probiotics improve soil quality and plant root growth but not auxin content.
7 citations
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December 1970 in “Biochimica et Biophysica Acta (BBA) - Protein Structure” 4 citations
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December 1989 in “The Journal of Dermatology” Human hair proteins have similar cysteine and glycine levels to skin proteins.
12 citations
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June 2011 in “Journal of applied polymer science” L-phenylalanine and hydrolyzed eggwhite protein deeply penetrate human hair.
4 citations
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March 1979 in “Journal of Animal Science” Protein blocks with urea are as effective as traditional supplements for pregnant mares.
35 citations
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July 2010 in “The FEBS journal” The study found a specific peptide that helps detect TGase 3 activity in skin and hair follicles.
61 citations
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February 2003 in “Experimental Dermatology” Soy oil and genistein reduce hair loss risk in mice.
2 citations
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March 2015 in “Toxicology and Environmental Health Sciences” Rice bran extract caused moderate skin irritation but no eye irritation, while a diluted essence was not irritating to skin and only slightly to guinea pigs.
January 2013 in “Shanghai Textile Science & Technology” Milk protein treatment reduces pilling in rabbit hair fabric.
July 2019 in “Ferroelectrics” More human hair protein makes the films weaker and less clear.
March 1995 in “Proceedings of the British Society of Animal Science” Zinc is absorbed better in dogs when supplied as a chelate with amino acids.
9 citations
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August 2007 in “Journal of animal science/Journal of animal science ... and ASAS reference compendium” Sheep wool follicles absorb different amino acids at various rates and locations, which could affect wool growth based on diet and genetics.
January 2026 in “Biomaterials and Biosystems” Keratin from chicken feathers can be safely used on damaged skin.
10 citations
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January 2001 in “Bioscience Biotechnology and Biochemistry” Ubiquitin, a protein, is found in hair, nails, and skin.
2 citations
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August 1987 in “Analytical Biochemistry” A new method isolated previously undetected hair proteins rich in glycine and tyrosine.
1 citations
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January 2021 in “JIFFK Jurnal Ilmu Farmasi dan Farmasi Klinik” Celery extract didn't significantly boost hair growth in the gel.
1 citations
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November 2023 in “Biomaterials advances” Sponges made of soy protein and β-chitin with human cells from hair or fat can speed up healing of chronic wounds.
35 citations
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April 2014 in “Journal of proteomics” Feed restriction in sheep leads to finer wool fibers but may reduce wool quality.
46 citations
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July 2010 in “Advances in Therapy” SPET-085 effectively inhibits an enzyme linked to prostate issues, similar to finasteride.
4 citations
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July 1948 in “Experimental biology and medicine” Alcohol extraction lowers casein's nutrition, causing slower growth and hair loss in rats.
15 citations
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August 1991 in “American Journal of Medical Genetics” A special diet can fix hair problems in argininosuccinase deficiency.
7 citations
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August 2007 in “Journal of Biotechnology” 4 citations
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December 2008 in “The Thai Journal of Veterinary Medicine” Zinc methionylglycinate improves dog hair and zinc levels better than zinc sulfate.
5 citations
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April 1946 in “PubMed” Liver extract treatment improved anemia and hair growth in a pig.
13 citations
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October 1960 in “Experimental Biology and Medicine” Selenium-75 stays in dog hair for up to 316 days.