July 2025 in “International Journal of Cosmetic Science” A new 6-point scale reliably measures heat damage to hair from styling tools.
Hair coloring and bleaching can permanently break down hair protein and temporarily change its properties.
Use gentle products and nourishing masks to keep thin hair strong and voluminous.
85 citations
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June 2017 in “Journal of Investigative Dermatology” Blimp1 is crucial for hair follicle growth and skin health.
7 citations
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January 2001 in “Comprehensive series in photosciences” UV radiation significantly damages hair, especially with humidity, making it more vulnerable to further damage.
51 citations
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March 2001 in “Clinics in dermatology” Bleaching damages hair, making it rougher and weaker.
June 2025 in “British Journal of Dermatology” Licensed hair gloss products improve shine and smoothness but require stricter regulation to ensure safety.
13 citations
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June 2014 in “Experimental Mechanics” September 2010 in “International Journal of Cosmetic Science” Chemical treatments change hair surface properties, making it more hydrophilic and able to bind conditioners.
January 2021 in “Hair therapy & transplantation” 18 citations
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July 2015 in “Journal of cosmetic dermatology” Straightening and coloring hair, especially with sodium hydroxide, greatly increases protein loss.
42 citations
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January 2009 in “Colloids and Surfaces B: Biointerfaces” A certain surfactant sticks to human hair, making it change from water-repelling to water-attracting, which could help in hair conditioning.
25 citations
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May 2008 in “Journal of cosmetic dermatology” Conditioning agents, especially jojoba oil and lauryl PEG/PPG-18/18 methicone, protect and strengthen chemically straightened Afro-ethnic hair.
January 2017 in “Nihon Keshouhin Gijutsushakaishi/Journal of S C C./Nihon Keshouhin Gijutsushakai kaishi” Sunlight and chemical treatments change hair's internal structure differently, needing specific care.
34 citations
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December 2009 in “Journal of the American Academy of Dermatology” Improper use of ceramic flat irons can cause severe hair damage.
September 2018 in “PubMed” Hair becomes thinner, grayer, and may fall out more as people get older, and styling habits can worsen these effects.
September 2014 in “Daehan miyong hakoeji” Adding 2% glycerin or hyaluronic acid to permanent wave treatments reduces hair damage, with hyaluronic acid being more effective.
July 2023 in “Nature Reviews Chemistry” A new method strengthens hair without using harmful chemicals.
January 2026 in “Colloids and Surfaces B Biointerfaces” A silicone treatment makes damaged hair more water-resistant and stronger.
January 2012 in “한국미용학회지” Applying conditioner in the middle of a perm process reduces hair damage the most.
May 2026 in “Applied Spectroscopy” Humidity affects hair structure changes during stretching.
1 citations
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January 2006 High temperatures and cosmetic processes can damage hair keratin, affecting its structure and strength.
January 2015 in “Springer eBooks” Healthy hair is crucial to avoid dryness, weakness, and breakage.
January 2008 in “대한미용학회지” UV exposure severely damages hair, making it rough and weak.
2 citations
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September 2008 in “International Journal of Cosmetic Science” Brushing causes more long hair breaks than combing, especially with bleached or wet hair.
May 2024 in “Proteome science” Bleaching damages hair by reducing the quality of keratin and keratin-associated proteins.
7 citations
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October 2019 in “Frontiers in bioengineering and biotechnology” Fusion proteins can protect hair from heat damage.
12 citations
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September 2012 in “Computer Graphics Forum” The method improves hair animation from video by combining image techniques and simulations.
2 citations
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December 2010 in “PubMed” The new stiffness test works well for gels but not for sprays.