September 2025 in “International Journal of Cosmetic Science” Friction causes hair breakage during combing, and fragment count predicts hair strength.
October 2012 in “Advanced Materials Research” Higher temperatures improve rabbit hair strength up to 50°C, but moisture weakens it.
11 citations
,
January 2014 in “The Scientific World Journal” Cynatine HNS improves hair and nail quality in 90 days.
June 2024 in “Molecules/Molecules online/Molecules annual” Platycladus orientalis flavonoids protect balding hair from UV damage and slow hair color change.
January 2020 in “한국미용학회지” Musa extracts protect hair from damage during chemical treatments.
7 citations
,
March 2025 in “Free Radical Biology and Medicine” Imbalanced redox dynamics cause skin aging by damaging fibroblasts and stem cells.
5 citations
,
November 2024 in “Frontiers in Nutrition” LB-P9 supplements improve hair health and satisfaction without side effects.
1 citations
,
January 2010 in “Journal of Oriental Medicine” Black bean, wheat, and rice bran extracts can boost hair growth and improve hair quality.
April 2025 in “International Journal For Multidisciplinary Research” The nano-herbal hair spray effectively strengthens hair and reduces dandruff naturally.
October 2024 in “Cosmetics” ATG effectively reduces hair frizz without damaging hair strength.
December 2022 in “Cosmetics” The food supplement improved hair growth and strength in people with a certain type of hair loss and had no major side effects.
42 citations
,
April 2008 in “Acta materialia” Different ethnicities and treatments affect human hair strength and structure.
March 2026 in “ACS Applied Bio Materials” The TO-TF copolymer strengthens damaged hair effectively and sustainably.
December 2023 in “Data in Brief” Curly hair's strength and flexibility vary with moisture and temperature.
11 citations
,
April 2022 in “Biophysical Journal” Disulfide bonds in keratin fibers break more easily under stress, especially when wet, affecting fiber strength.
Oxidized hair can naturally regain strength and stability over six months.
3 citations
,
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.
June 2010 in “DR-NTU (Nanyang Technological University)” Hair coloring and chlorine change hair strength differently.
2 citations
,
September 2004 in “International Journal of Cosmetic Science” Hair quality is genetically determined and linked to its composition and strength.
January 2024 in “International Journal of Cosmetic Science” A new method using 1,4-n-butylene dimaleate effectively repairs and strengthens damaged hair.
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.
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.
12 citations
,
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
,
October 1982 in “Journal of applied polymer science” Moisture content significantly affects how human hair breaks.
January 2026 in “Eng—Advances in Engineering” Berry extracts improve fabric strength and flexibility, making it suitable for medical and cosmetic uses.
October 2024 in “Applied Sciences” Cell growth improved the strength of 3D bioprinted structures.
61 citations
,
January 2013 in “International Journal of Biological Macromolecules” Combining DHT and EDC improves the strength and stability of PADM scaffolds for tissue engineering.
October 2021 in “Digital Library of Theses and Dissertations (Universidade de São Paulo)” The active ingredient improves the strength of damaged hair fibers.
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.