Acidic sandy clay damages archaeological hair the most, while dry conditions preserve but make it brittle; silicone oil can help keep the hair flexible.
November 2021 in “International journal of research - granthaalayah” The document suggests that human hair has electrical charges because of a gap in nerve cell coverage that affects electromagnetic radiation.
March 2023 in “JIIS (Jurnal Ilmiah Ibnu Sina): ilmu farmasi dan kesehatan” The best biotin hair tonic formula has 20% span 80, 9.47% tween 80, and 5% PEG 400.
April 2024 in “JURNAL ILMU KEFARMASIAN INDONESIA” The mud mask with 22.5% kaolin and pomegranate peel extract worked best.
29 citations
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September 2020 in “Polymers” The PCL/PHB blend allows for slower, more controlled curcumin release than individual polymers.
2 citations
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January 1990
4 citations
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January 2017 in “Annals of Dermatology” Frequent hairdryer use may worsen hair fragility in people with Pili Annulati.
January 2019 in “International Journal of Herbal Medicine” The polyherbal emulgel created for hair care was safe, had good qualities, and could lead to future hair care products.
March 2026 in “Journal of Veterinary and Animal Sciences” Supplements improved calves' haircoat condition.
3 citations
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September 2021 in “Annals of Plastic Surgery” Oxygenated micro/nanobubbles speed up burn wound healing in rats.
August 2025 in “Nutrients” Ageratum conyzoides extract promotes hair growth and regrowth.
September 2023 in “Khyber Medical University Journal” People with alopecia often feel anxious, depressed, and have low self-esteem.
5 citations
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March 2009 in “Pediatric Dermatology” The study found that pili bifurcati causes hair to intermittently split into two branches, each with its own outer layer.
2 citations
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August 2008 in “Journal of Liaquat University of Medical & Health Sciences” A painless cheek lump was misdiagnosed but found to be a rare, benign skin lesion called pilomatrixoma, treatable by surgery.
September 2015 in “The European physical journal. E, Soft matter and biological physics/The European physical journal. E, Soft matter” Longer time setting curls overnight leads to better curl retention.
2 citations
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August 1994 in “Archives of dermatology” A 19-month-old boy with a rare hair disorder showed mild improvement with treatment, but his family chose gentle hair care due to limited success.
1 citations
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June 2014 in “[Thesis]. Manchester, UK: The University of Manchester; 2014.” Chemical modifications can alter hair's stability and flexibility, with hydrophobic interactions helping maintain structure in humid conditions.
November 2024 in “International Journal of Biology Pharmacy and Allied Sciences” The herbal shampoo is safe, effective, and may reduce hair loss and promote growth.
12 citations
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September 2020 in “Nanomaterials” The new drug delivery system improves vitiligo treatment by enhancing melanocyte activity and viability.
February 2020 in “Journal of emerging technologies and innovative research” The herbal hair emulgel was effective and stable for promoting hair growth, reducing dandruff, controlling hair fall, and preventing greying.
May 2016 in “Hair transplant forum international” 35 citations
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September 2003 in “Archives of dermatology” Tiger tail bands in hair are caused by wavy hair fibers with melanin, unlike straight fibers in normal hair.
2 citations
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July 2018 in “Skin research and technology” Greasy hair spreads sebum twice as much as nongreasy hair over time.
November 2025 in “Zenodo (CERN European Organization for Nuclear Research)” Natural hair gels with herbal extracts like Aloe vera and hibiscus are safer and effective for hair health.
January 2023 in “International journal of pharmacognosy and clinical research” The polyherbal oil made from natural ingredients improves hair health and appearance.
5 citations
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April 2023 in “BMC Microbiology” Shampoo with heat-killed Lacticaseibacillus paracasei GMNL-653 improves scalp health and hair growth by changing scalp bacteria.
22 citations
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May 2004 in “Tissue Engineering” PGA fiber-reinforced collagen sponges improve hair growth and skin structure.
June 2010 in “Chinese Journal of Dermatology” A new gene mutation is linked to monilethrix in the studied family.
24 citations
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December 1990 in “Pediatric Dermatology” Tight hairstyles like ponytails may cause hair casts by affecting scalp circulation and causing inflammation.
1 citations
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October 2019 in “Epileptic disorders” A girl with Pitt-Hopkins syndrome developed curly hair as a rare side effect from the epilepsy drug perampanel.