9 citations
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January 1981 Nucleophilic reagents break down hair keratin, forming more lanthionine and lysinoalanine than in wool.
9 citations
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October 1946 in “Experimental biology and medicine” Rats fed soybean oil meal lost hair, but adding inositol, biotin, cystine, or methionine to their diet prevented this and improved growth.
8 citations
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January 2009 in “Transactions of the Materials Research Society of Japan” Water-soluble wool keratin can protect human hair from damage during treatments.
7 citations
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January 2010 in “Animal” Angora goat hair grows faster and produces more protein than cashmere goat hair, and certain hormones and nutrients positively affect hair growth and protein synthesis.
7 citations
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February 2011 in “Journal of dermatology” The 736T>A mutation in the LIPH gene is common in Japanese people with autosomal recessive woolly hair.
7 citations
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March 2004 in “Journal of the American Academy of Dermatology” Tiger tail banding and hair abnormalities are reliable indicators for diagnosing trichothiodystrophy.
7 citations
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January 1997 in “Bioscience Biotechnology and Biochemistry” Sheep hair follicle transglutaminases are calcium-dependent.
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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January 2019 in “Journal of Cutaneous and Aesthetic Surgery” Follicular unit extraction is an effective hair transplant method for advanced baldness with high patient satisfaction, but some experienced decreased density over time.
6 citations
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October 2016 Understanding how keratin structures in hair are arranged and interact is key for creating methods to extract and purify them.
6 citations
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September 2010 in “Pigment Cell & Melanoma Research” We know less about human hair pigmentation than mouse coat color, but pH and cysteine levels are key factors.
6 citations
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January 1988 in “PubMed” Swimming in pools with high copper can turn hair green, especially if hair is damaged.
5 citations
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March 2015 in “Indian Journal of Dermatology” Multiple trichofolliculomas can look like multiple trichoepitheliomas on the face.
5 citations
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January 2022 in “Scientific reports” The research identified two types of keratinocytes in chicken scales: one for hard scales and another for soft skin, with similarities to human skin differentiation.
5 citations
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January 2017 in “Elsevier eBooks” The document concludes that cosmetics need biocompatible, eco-friendly ingredients due to aging populations and demand for effective products.
5 citations
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January 2016 in “Genetics and Molecular Research” Researchers found 617 genes that behave differently in cashmere goat hair follicles, which could help understand hair growth.
5 citations
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February 2015 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” OCT can non-invasively diagnose follicular keratosis and other hair follicle disorders.
5 citations
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July 1999 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” Proteolytic enzymes damage hair follicles by detaching stem cells.
5 citations
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July 1987 in “European Journal of Obstetrics & Gynecology and Reproductive Biology” The treatment temporarily improved symptoms of hyperandrogenism in adolescents.
5 citations
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January 1964 in “Naunyn-Schmiedeberg s Archives of Pharmacology” Iodine is absorbed by hair just below the skin surface.
4 citations
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November 2022 in “Frontiers in Immunology” Lung and liver macrophages protect our tissues and their dysfunction can cause various diseases.
4 citations
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November 2022 in “Journal of biomedical materials research. Part B, Applied biomaterials” Human hair proteins, especially keratins, can protect cells from oxidative stress in lab settings.
4 citations
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May 2020 in “Annals of palliative medicine” Plum blossom needle acupuncture with qi-invigorating therapy is more effective for Seborrheic Alopecia than Western medicine.
4 citations
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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
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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
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May 2014 in “PubMed” Monoethanolamine-based hair colorants can cause more damage to hair than ammonia-based ones.
4 citations
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January 2011 in “International Journal of Trichology” Accidental findings have led to new hair treatment discoveries, like using blood pressure and diabetes medications for hair loss and unwanted hair.
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.
4 citations
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January 1976 in “Archives of Dermatological Research” Metabolic disorders can cause hair structure defects and growth issues, but amino acid levels in hair remain normal.
3 citations
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April 2011 in “Microscopy research and technique” Teratoma hair is similar to scalp hair but has a rougher surface and lower adhesive force.