9 citations
,
July 2018 in “Journal of Testing and Evaluation” Adding human hair to sand improves its strength when dry and maintains strength when wet.
9 citations
,
January 2011 in “Journal of X-ray science and technology” Perming and bleaching damage hair differently, with bleached hair having more cysteic acid in the cuticle.
8 citations
,
November 2019 in “Journal of Natural Fibers” Adding human hair to clayey soil makes it stronger, even after freeze-thaw cycles, and is eco-friendly and cheap.
8 citations
,
July 2019 in “The journal of investigative dermatology/Journal of investigative dermatology” Curly hair is mechanically different from straight hair and may need new testing methods.
8 citations
,
June 1979 in “JAMA” Synthetic hair implants can cause severe infections and are risky.
6 citations
,
January 2016 in “Environmental footprints and eco-design of products and processes” The industry should promote pure luxury hair fibers, improve technology, and diversify products to support growers and ensure sustainable use.
6 citations
,
January 2012 in “Breast cancer” Breast cancer may be detectable through changes in scalp hair lipids.
6 citations
,
December 1966 in “Textile Research Journal” Animal hair fibers like wool and mohair are strong when dry, but vicuna fibers are very brittle.
5 citations
,
February 2012 in “Aesthetic Plastic Surgery” A man developed skin cancer on his scalp after multiple artificial hair grafts.
4 citations
,
December 2018 in “Macedonian Journal of Chemistry and Chemical Engineering” A new method accurately measures amino acids in treated hair, showing bleaching reduces amino acids while protein treatments increase them.
4 citations
,
August 2014 in “Journal of molecular structure” Chemical treatments on bleached black hair change its internal structure by breaking and reforming bonds, and treatments with hydrolyzed eggwhite protein help repair it.
4 citations
,
July 2010 in “International Journal of Cosmetic Science” Curved human hair has different structures on its convex and concave sides.
3 citations
,
December 2024 in “International Journal of Dermatology” Premature hair graying is caused by genetics, stress, and lifestyle, and affects mental health.
3 citations
,
April 2023 in “Research Journal of Pharmacy and Technology” Calendula Officinalis extract can be used to create an effective natural hair dye.
3 citations
,
February 2023 in “ACS omega” Grape seed oil improved hair quality the most, followed by rosehip and safflower seed oils, and reduced damage from shampoo.
3 citations
,
September 2021 in “Data in brief” Bleaching hair changes its structure and weakens it, which is important for understanding hair damage and creating treatments.
3 citations
,
December 2019 in “Biomaterials Research/Biomaterials research” Calcium and magnesium in hair increase with age and are higher in adult women.
3 citations
,
March 2019 in “Tekstil Ve Konfeksiyon” Anatolian native goat down-hair is similar to cashmere and can be used for high-quality textiles.
3 citations
,
July 2003 in “PubMed” The research found a way to measure hair surface changes by analyzing how light reflects off of it, and determined hair cuticle angles vary by hair length and color.
2 citations
,
January 2015 in “Sen'i Gakkaishi” Washing permed hair after using thioglycolic acid helps reform strong bonds, making hair stronger.
2 citations
,
January 1995 in “Nihon Keshouhin Gijutsushakaishi/Journal of S C C./Nihon Keshouhin Gijutsushakai kaishi” Ethyl Carbitol is the best at preventing split ends in permed hair.
2 citations
,
June 1979 in “JAMA” Synthetic hair implants are dangerous and can cause severe infections.
2 citations
,
March 1977 in “Journal of animal science/Journal of animal science ... and ASAS reference compendium” Defective mink guard hairs have split tips and missing cuticle cells, causing a metallic sheen.
1 citations
,
January 2025 in “JAAD reviews.” Personalized hair care strategies are needed for Black cancer patients to prevent hair loss during chemotherapy.
1 citations
,
March 2023 in “Journal of Natural Fibers” A gentler, less damaging method for curling hair using tyrosine works well initially but fades after washing.
1 citations
,
July 2020 in “Journal of Al-Azhar University Engineering Sector” Adding human and horse hair fibers to concrete can increase its strength.
1 citations
,
January 2020 in “Qucosa (Saxon State and University Library Dresden)” Fine hair on bovine leathers is hard to remove, lowering leather quality and value, but can be managed with specific processing methods.
1 citations
,
April 2019 in “PubMed” The medulla in Asian scalp hair has a tubular structure that allows ions and large molecules to flow through it.
1 citations
,
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
,
June 2018 in “The Journal of Dermatology” A man got heart infection from scalp infection caused by artificial hair implants.