February 2021 in “Journal of the Korean Society of Cosmetology” Castor oil improves the texture of bleached hair by increasing its strength.
Micro-needling with growth factors and minoxidil improved hair growth in a balding man.
Hair can't be as strong as Rapunzel's because it's impractical to scale up due to defects.
Giant axonal neuropathy changes the structure of keratin in human hair, making it stiffer and stronger.
June 2016 in “한국디자인문화학회지” UVA damages all hair types, especially permanently waved and colored hair.
March 2016 in “The Korean Society of Beauty and Art” MSG-based hair hardener improves hair thickness, strength, and wave retention after perms.
Taking enzyme food and collagen together improves hair health in middle-aged women more than taking them separately.
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.
Oxidized hair can naturally regain strength and stability over six months.
October 2012 in “Advanced Materials Research” Higher temperatures improve rabbit hair strength up to 50°C, but moisture weakens it.
Applying conditioner in the middle of a perm process reduces hair damage.
January 2012 in “Human health handbooks” Low-level light therapy is FDA-approved for male pattern hair loss, increases hair count and strength, and is considered safe for use.
January 2012 in “Jounal of The Korean Society of cosmetology” Applying conditioner mid-treatment reduces hair damage during perms.
January 2012 in “한국미용학회지” Applying conditioner in the middle of a perm process reduces hair damage the most.
September 2011 in “Daehan miyong hakoeji” Henna orange powder, especially with alkali, protects and colors hair better than oxidizing colorants.
December 2010 in “Journal of Oriental Medicine” Black bean, wheat, and rice bran extracts can improve hair growth and quality.
June 2010 in “DR-NTU (Nanyang Technological University)” Hair coloring and chlorine change hair strength differently.
May 2009 in “International Journal of Cosmetic Science” Permanent waving damages hair protein and weakens hair, especially with repeated treatments using sodium thioglycolate.
January 2008 in “대한미용학회지” UV exposure severely damages hair, making it rough and weak.
Hair coloring and bleaching can permanently break down hair protein and temporarily change its properties.
March 2005 in “Journal of the American Academy of Dermatology” Adding amino acids to damaged hair can improve its strength and appearance.
Anti-keratin antibody from cow milk makes damaged hair stronger and less likely to break.
11 citations
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January 2014 in “The Scientific World Journal” Cynatine HNS improves hair and nail quality in 90 days.
7 citations
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March 2025 in “Free Radical Biology and Medicine” Imbalanced redox dynamics cause skin aging by damaging fibroblasts and stem cells.
5 citations
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November 2024 in “Frontiers in Nutrition” LB-P9 supplements improve hair health and satisfaction without side effects.
1 citations
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January 2010 in “Journal of Oriental Medicine” Black bean, wheat, and rice bran extracts can boost hair growth and improve hair quality.
March 2026 in “International Journal of Cosmetic Science” Pal-KCV peptide strengthens hair and reduces breakage by up to 52%.
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.
June 2024 in “Molecules/Molecules online/Molecules annual” Platycladus orientalis flavonoids protect balding hair from UV damage and slow hair color change.