Keratin peptides in hair may help identify gender and ethnicity, but more research is needed.
November 2019 in “Journal of Health and Allied Sciences” Maharanga bicolor and Hibiscus rosa sinensis extracts promote hair growth.
December 2018 in “Journal of Patan Academy of Health Sciences” Many Chinese patients lose hair after weight loss surgery, especially women, and taking iron and zinc on their own doesn't help.
January 2017 in “Archives of Aesthetic Plastic Surgery” Hair care products with placental growth factor can improve hair thickness and density in postpartum hair loss.
January 2017 in “Korean Journal of Pharmacognosy” Modified red ginseng extract promotes hair growth and has antioxidant and anti-inflammatory effects.
January 2015 in “CHINESE JOURNAL OF ANALYTICAL CHEMISTRY (CHINESE VERSION)” A new method accurately measures plant ingredients in hair growth products.
October 2013 in “한국생물공학회 학술대회” Poly-γ-glutamic acid may help reduce hair loss.
November 2011 in “Journal watch” Botox might help hair grow, but more research is needed.
February 2010 in “Journal of The American Academy of Dermatology” Social or cultural norms, not hair type, more likely influence how often people wash their hair.
June 2008 in “The Open Dermatology Journal” Instructional sheets can help patients manage hair disorders.
September 2007 in “Dermatologic Surgery” 3% hydrogen peroxide does not reduce hair graft survival compared to saline.
July 2022 in “Journal of Investigative Dermatology” Scalp clarifying shampoo can help reduce hair loss and improve hair volume.
Mesotherapy is more effective and preferred for female hair loss than topical minoxidil.
64 citations
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January 2000 in “The Analyst” Estrone and 17β-estradiol levels in hair differ between males and females.
36 citations
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September 2015 in “Forensic Science International: Genetics” Certain DNA variants can predict straight hair in Europeans but are not highly specific.
33 citations
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September 2018 in “Frontiers in Microbiology” Human hair shafts inhibit Gram-positive bacteria growth but not Gram-negative bacteria.
30 citations
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April 2011 in “Rapid communications in mass spectrometry/RCM. Rapid communications in mass spectrometry” Analyzing hair with this method can help understand and monitor scalp conditions and treatment effects.
15 citations
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January 1987 in “Electrophoresis” Human head hair proteins can be typed into eight distinct patterns, useful for genetic and forensic investigations.
14 citations
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April 2021 in “Frontiers in Psychiatry” Overall alcohol consumption decreased during lockdown, but heavy drinkers consumed more.
7 citations
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July 2021 in “Molecules/Molecules online/Molecules annual” The method can measure vitamin B3 levels in human hair accurately.
6 citations
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January 2012 in “Breast cancer” Breast cancer may be detectable through changes in scalp hair lipids.
5 citations
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January 2021 in “PeerJ” Elephant tail-hair can show past stress levels, matching times when stressful events happened.
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.
3 citations
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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
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January 2015 in “Sen i Gakkaishi” The new keratin film without KAPs stains better and could help study keratin functions.
2 citations
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January 2012 in “Charles Sturt University Research Output (CRO)” Pregnancy increases hair growth in dairy cattle.
1 citations
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June 2023 in “Journal of applied crystallography” The technique showed that human hair has two main parts, with 68% being rigid and the rest flexible, and water swelling affects its structure.
1 citations
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August 1985 in “Proceedings annual meeting Electron Microscopy Society of America” SEM/EDX can analyze hair elements but struggles with trace elements, limiting its forensic use.
May 2026 in “The Knowledge Bank (The Ohio State University)” Mare and foal hair cortisol levels are strongly linked, indicating potential for assessing fetal health and stress.
April 2026 in “Frontiers in Veterinary Science” Male cats have higher stress levels than females.