August 2023 in “Journal of Student Research” Human hair keratin mixed with rubber slightly improves its strength and biodegradability.
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.
July 2005 in “HortScience” Adding wool or hair waste to soil boosts crop yields and nutrient levels.
November 2025 in “Journal of Natural Fibers” Human hair waste can be valuable in engineering and materials due to its unique properties.
1 citations
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January 2019 in “Archives of Clinical and Medical Case Reports” Changing hair's surface and structure can help protect its natural oils from being washed away.
1 citations
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January 2024 in “Scientific reports (Nature Publishing Group)” Human hair was used to make biodegradable plastic films that could be useful for packaging and disposable products.
January 2026 in “DR-NTU (Nanyang Technological University)” Human hair melanosomes can be used to create effective, eco-friendly sunscreen.
January 2024 in “Journal of Material Cycles and Waste Management” Adding human hair to cement can make it tougher and better insulated but also more porous.
2 citations
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March 2018 in “ACS Sustainable Chemistry & Engineering” Heating human hair creates hollow microtubes with smooth surfaces.
Human hair keratins can be turned into useful 3D biomedical scaffolds through a freeze-thaw process.
Human hair can effectively absorb arsenic from water.
93 citations
,
February 2008 in “Atmospheric environment” Ozone reacts more with unwashed hair, producing compounds due to scalp oils, which could lower ozone exposure but increase exposure to reaction products.
August 2016 in “International journal of scientific research in science, engineering and technology” Adding human hair fibers to soft soil makes it stronger and prevents cracking.
July 2023 in “Belarusian State Pedagogical University repository (Belarusian State Pedagogical University)” Litchi twigs and leaves may help treat hair loss and reduce agricultural waste.
6 citations
,
May 2003 in “PubMed” Small amounts of DNA can be found in the hair shaft, especially near the root, but it decreases with hair treatments and washing.
May 2025 in “Afyon Kocatepe University Journal of Sciences and Engineering” The treatment process effectively removes many pollutants from cosmetics wastewater, but more research is needed to improve it.
242 citations
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January 2000 Contaminated water with heavy metals causes serious health issues like kidney and liver problems.
October 2023 in “arXiv (Cornell University)” Human hair keratins might be good for filtering out harmful substances like diclofenac and PFBS from water.
Bacterial augmentation improves hair composting and nutrient availability.
122 citations
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October 2010 in “Clinica Chimica Acta” Washing hair with water or shampoo lowers cortisol levels in hair.
May 2024 in “Indian journal of pharmacy and pharmacology” Luliconazole is more effective than ketoconazole at repairing damaged hair cuticles.
71 citations
,
September 2013 in “Materials Science and Engineering C” Keratin-based hydrogels from human hair and wool are promising for wound dressings and are more eco-friendly.
September 1980 in “PubMed” Using selenium disulfide on guinea pigs increased hair loss.
1 citations
,
July 2023 in “Foods” Mushrooms offer benefits for food, energy, and water security, and have potential uses in health and environmental applications.
56 citations
,
July 2005 in “Experimental Dermatology” Injected human hair follicle cells can create new, small hair follicles in skin cultures.
36 citations
,
October 1993 in “British Journal of Dermatology” Human hair follicles can grow in a lab for at least 9 days without serum, keeping their natural characteristics.
4 citations
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January 2011 in “Journal of Cosmetics, Dermatological Sciences and Applications” Vitamin B12 may promote hair growth by affecting certain cell processes.
35 citations
,
February 2003 in “Biochimica et Biophysica Acta (BBA) - General Subjects” Lead can help reveal and organize lipids in human hair.
11 citations
,
August 2013 in “Facial Plastic Surgery Clinics of North America” New cell-based therapies may improve hair loss treatments in the future.
26 citations
,
February 2009 in “Drug Development Research” 17α-estradiol is a safe estrogen that might protect the brain and doesn't cause feminization, needing more research for treating brain diseases.