November 2022 in “International journal of trichology” Glyoxylic acid straighteners cause more protein loss but have similar hair strength effects as traditional alkaline straighteners.
The fermented mixture, including Sasa Borealis, improves scalp health and hair strength and shine.
August 2021 in “Han'gug miyong haghoeji/Journal of the Korean society of cosmetology” Using natural polyphenol cross-linkers like tannic acid and green tea extract in perm treatments improves curling and protects hair.
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.
June 2016 in “한국디자인문화학회지” UVA damages all hair types, especially permanently waved and colored hair.
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.
Applying conditioner in the middle of a perm process reduces hair damage.
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.
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.
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.
7 citations
,
March 2025 in “Free Radical Biology and Medicine” Imbalanced redox dynamics cause skin aging by damaging fibroblasts and stem cells.
January 2020 in “한국미용학회지” Musa extracts protect hair from damage during chemical treatments.
Trichotillometry can measure hair plucking force, aiding alopecia treatment evaluation.
2 citations
,
January 2020 in “Skin appendage disorders” Long hair can cause hair loss due to constant pulling.
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.
44 citations
,
July 2005 in “Aesthetic Plastic Surgery” Hair transplantation successfully treated a woman's hair loss caused by a tight ponytail.
15 citations
,
January 2024 in “Journal of Materials Chemistry B” The hydrogel speeds up wound healing and improves skin repair better than commercial options.
1 citations
,
July 2020 in “Journal of Al-Azhar University Engineering Sector” Adding human and horse hair fibers to concrete can increase its strength.
May 2026 in “International Journal of Cosmetic Science” A plant-based treatment from Avena strigosa seeds effectively repairs and strengthens damaged hair.
April 2024 in “Lasers in medical science” Lasers and light therapies are effective in promoting hair regrowth for different types of hair loss.
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.
60 citations
,
February 2014 in “Tissue Engineering Part A” Microporous scaffolds speed up skin healing and regeneration.