Applying conditioner in the middle of a perm process reduces hair damage.
January 2012 in “한국미용학회지” Applying conditioner in the middle of a perm process reduces hair damage the most.
December 2010 in “Journal of Oriental Medicine” Black bean, wheat, and rice bran extracts can improve hair growth and quality.
Trichotillometry can measure hair plucking force, aiding alopecia treatment evaluation.
June 2016 in “한국디자인문화학회지” UVA damages all hair types, especially permanently waved and colored hair.
June 2010 in “DR-NTU (Nanyang Technological University)” Hair coloring and chlorine change hair strength differently.
Oxidized hair can naturally regain strength and stability over six months.
2 citations
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September 2004 in “International Journal of Cosmetic Science” Hair quality is genetically determined and linked to its composition and strength.
10 citations
,
September 2020 in “Biopolymers” Hair's structure and properties change with pH; acidic pH maintains strength and less swelling, while alkaline pH increases water content and swelling.
3 citations
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June 2023 in “ACS sustainable chemistry & engineering” The study found a green method for strengthening hair works on all hair colors and is eco-friendly.
January 2024 in “International Journal of Cosmetic Science” A new method using 1,4-n-butylene dimaleate effectively repairs and strengthens damaged hair.
2 citations
,
August 2019 in “International Journal of Cosmetic Science” Older age and certain lifestyles are linked to thinner, weaker hair, while how you see your hair relates to its thickness.
May 2026 in “International Journal of Cosmetic Science” A plant-based treatment from Avena strigosa seeds effectively repairs and strengthens damaged hair.
January 2008 in “대한미용학회지” UV exposure severely damages hair, making it rough and weak.
2 citations
,
September 2010 in “Journal of the Korea Academia-Industrial cooperation Society” Using 2% collagen in perms reduces hair damage while keeping curls.
12 citations
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February 2011 in “Zenodo (CERN European Organization for Nuclear Research)” Hair properties vary with age and ethnic origin.
February 2022 in “Fibers” Scientists created a non-toxic, sugar-based hair product that can style hair without damage.
34 citations
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October 1982 in “Journal of applied polymer science” Moisture content significantly affects how human hair breaks.
July 2023 in “Nature Reviews Chemistry” A new method strengthens hair without using harmful chemicals.
May 2026 in “Zenodo (CERN European Organization for Nuclear Research)” Amalaki Churna effectively reduces hair fall and improves hair strength.
41 citations
,
July 2020 in “Colloids and surfaces. B, Biointerfaces” Different hair protein amounts change the strength of keratin/chitosan gels, useful for making predictable tissue engineering materials.
1 citations
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July 2020 in “Journal of Al-Azhar University Engineering Sector” Adding human and horse hair fibers to concrete can increase its strength.
17 citations
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July 2018 in “International Journal of Cosmetic Science” Keratin-based particles safely improve hair strength, smoothness, and heat protection.
October 2021 in “Digital Library of Theses and Dissertations (Universidade de São Paulo)” The active ingredient improves the strength of damaged hair fibers.
November 2025 in “Advanced Healthcare Materials” Charge-conversion chemistry improves hair-rebonding by enhancing penetration and strength.
A natural, eco-friendly treatment using casein and tannic acid strengthens hair by 21% while keeping it elastic.
6 citations
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December 2018 in “International Journal of Cosmetic Science” Mexican women's hair is between Asian and Caucasian hair in thickness and shape, with varied strength and some damage.
May 2026 in “Zenodo (CERN European Organization for Nuclear Research)” Amalaki Churna effectively reduces hair fall and improves hair health.
July 2024 in “Journal of Investigative Dermatology” A peptide in shampoo can promote hair growth and improve hair condition.
4 citations
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January 2020 in “Elsevier eBooks” Natural polymers can protect, repair, and promote hair regrowth.