4 citations
,
March 1979 in “Journal of Animal Science” Protein blocks with urea are as effective as traditional supplements for pregnant mares.
3 citations
,
March 2005 in “Journal of the American Academy of Dermatology” The lotion and shampoo effectively treated scalp seborrheic dermatitis.
January 2022 in “Advanced Pharmaceutical Bulletin” Clove oil and grape seed extract increase finasteride skin absorption, while urea decreases it.
226 citations
,
January 2002 in “Biological and Pharmaceutical Bulletin” A new method quickly extracts and identifies proteins from hair and other keratin sources.
68 citations
,
February 2011 in “European Journal of Pharmaceutics and Biopharmaceutics” Keratin films from human hair can potentially replace human nail plates for drug testing.
55 citations
,
August 2012 in “Resources and Environment” Landfill leachate harms liver and kidneys in rats, posing health risks.
13 citations
,
January 2002 in “Biological chemistry” Different conditions affect how hair proteins assemble, and certain mutations can change their structure.
11 citations
,
January 2015 in “JOURNAL OF HEALTH SCIENCE” A 12-year-old boy's rare skin condition improved with topical treatments and may resolve by puberty.
10 citations
,
May 1974 in “American journal of diseases of children” The girl had a rare disorder causing mental and physical symptoms, with weak hair and unclear neurological issues.
7 citations
,
August 2006 in “Biopolymers” Researchers extracted tiny keratin filaments from human hair by unzipping its outer layer.
5 citations
,
April 2005 in “Journal of applied polymer science” PEI diffuses into hair at a constant rate, and urea speeds up this process.
5 citations
,
February 1998 in “Polymer” Human hair keratin has a 40% α-helix structure that changes to a random coil in 8 M urea.
3 citations
,
January 1985 in “Drug development and industrial pharmacy” Additives like ethanol and propylene glycol increase the release of zinc pyrithione from shampoo.
2 citations
,
June 2007 in “PubMed” Alopecia in young calves is linked to longer illness periods and ruminal drinking, but the exact cause is unclear.
1 citations
,
April 2002 in “PubMed” Anti-epileptic drugs may cause visual and hair side effects due to enzyme inhibition, especially in genetically predisposed individuals.
January 2026 in “Biomaterials and Biosystems” Keratin from chicken feathers can be safely used on damaged skin.
January 2026 in “Springer Link (Chiba Institute of Technology)” Silver nanoparticles from Mitracarpus scaber protect the liver and reduce prostate enlargement.
January 2026 in “E3S Web of Conferences” Silver nanoparticles from Mitracarpus scaber protect the liver and reduce prostate enlargement.
January 2026 in “Digitalen Hochschulbibliothek Sachsen-Anhalt (Universitäts- und Landesbibliothek Sachsen-Anhalt)” Keratin from chicken feathers can be safely used for skin benefits.
December 2025 in “Skin Appendage Disorders” Scalp apocrine glands may help remove waste and balance electrolytes, but their role is not fully understood.
August 2023 in “Gadua Journal of Pure and Allied Science” Ziziphus spina-christi leaf extract lowered blood sugar and protected organs in diabetic rats.
June 2023 in “Experimental dermatology” Pubic hair has a thicker, more protective outer layer than scalp hair, possibly due to evolution.
Severe hypothyroidism can cause temporary liver and kidney issues, which improve with thyroxine treatment.
January 2018 in “Iranian Journal of Pharmaceutical Sciences” Urea, eucalyptus oil, and menthol improve minoxidil skin absorption.
March 2017 in “Iraqi Journal of Pharmaceutical Sciences” Abuse of anabolic steroids in Iraqi athletes leads to negative effects on hormones, liver and kidney function, blood sugar, and cholesterol levels.
January 1990 in “Advances in forensic haemogenetics” Human hair protein patterns are inherited genetically.
June 2024 in “Journal of Medical Bacteriology” The link between H. pylori infection and alopecia areata is unclear and needs more research.
15 citations
,
September 2013 in “Pharmaceutical Biology” Jujube fruit extract may reduce kidney damage from ibuprofen in rats.
1 citations
,
January 2021 in “Acta Cirurgica Brasileira” Dutasteride and finasteride cause kidney damage, with dutasteride being more harmful.
December 2024 in “Animals” Tithonia diversifolia extract improved digestion but didn't enhance lamb growth.