Perming, combing, and stretching damage hair by reducing keratin levels.
Anti-keratin antibody from cow milk makes damaged hair stronger and less likely to break.
August 2025 in “Journal of the Korean Society of Cosmetology” People want more specialized shampoos for different scalp and hair needs.
February 2024 in “Bangladesh pharmaceutical journal” The herbal hair oil increased hair growth and reduced hair fall for most users without significant side effects.
December 2020 in “Daehanhanuihakoeji” Rumex japonicas Houttuyn ethanol extract helps increase hair growth and protect against hair damage.
January 2020 in “Indian dermatology online journal” Hair styling products can damage hair over time.
February 2019 in “PubMed” The research found that twisting hair fibers can show changes in stiffness and damage, and help tell apart different hair treatments.
November 2011 in “Informa Healthcare eBooks” Environmental, chemical, mechanical, and personal health factors can all damage hair and contribute to hair loss or changes in hair quality.
March 2005 in “International Journal of Cosmetic Science” A new method helps understand hair shine and various products improve hair care.
March 2005 in “International Journal of Cosmetic Science” DVI provides detailed 3D imaging of hair and shows how various products protect and enhance hair.
January 2003 in “Research Portal (King's College London)” Hair color affects light reflection, with black hair having higher cuticle angles and lighter hair showing less specular reflection.
129 citations
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January 2007 in “Otology & Neurotology” Gene therapy with the Math1 gene helped regenerate balance-related cells and improve balance in mice.
126 citations
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January 2009 in “International Journal of Trichology” Oxidative stress contributes to hair graying and loss as we age.
81 citations
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December 2007 in “Acta materialia” AFM helped show how hair changes under tension and the effects of damage and conditioner.
32 citations
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August 2019 in “Nature Communications” Chemotherapy causes permanent hair follicle damage by triggering stem cell loss.
30 citations
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September 2018 in “International Journal of Cosmetic Science” Bleaching hair causes severe structural and chemical damage, including protein loss and oxidation.
21 citations
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December 2023 in “Journal of Investigative Dermatology” Hair graying is caused by damage and cell depletion but might be temporarily reversible with drugs and hormones.
14 citations
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March 2014 in “Experimental and Molecular Pathology” Sulfur mustard damages hair follicles and sebaceous glands in mice.
12 citations
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October 2017 in “Radiation Research” mTORC1 signaling needed for quick hair follicle recovery after radiation damage.
10 citations
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January 2000 in “Journal Of Cutaneous Laser Therapy” Laser hair removal might also work by damaging blood vessels around hair follicles.
8 citations
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February 2017 in “Archives of Dermatological Research” Intense pulsed light treatment effectively reduces underarm hair by making hair follicles smaller and extending their resting phase.
7 citations
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March 2023 in “Journal of Investigative Dermatology” Low-intensity ultrasound may help protect hair follicles from chemotherapy-induced hair loss.
7 citations
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November 2006 in “Journal of immunological methods” The method can help diagnose and monitor diabetes by analyzing hair.
5 citations
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October 2007 in “PubMed” Amino acids in conditioners improve hair strength, hydration, and color retention.
3 citations
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July 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” Keratin 17 is important for skin's response to radiation, affecting many genes and cell division.
2 citations
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July 2013 in “Fashion business” Keratin essence protects and improves damaged hair.
October 2025 in “International Journal of Cosmetic Science” Hair properties vary by ethnicity and environment, affecting surface charge and particle deposition.
July 2025 in “Journal of Drug Delivery and Therapeutics” Herbal remedies like ginseng and green tea may help regenerate hair follicles damaged by pesticides.
April 2025 in “Journal of Investigative Dermatology” High LH levels cause hair loss by damaging and aging hair follicles.
November 2024 in “Journal of Investigative Dermatology” Paclitaxel chemotherapy causes premature aging and damage to hair follicles, potentially leading to permanent hair loss.