May 2026 in “Journal of Photochemistry and Photobiology” Solar radiation and pollution damage hair, especially light-colored and bleached hair.
May 2026 in “International Journal of Cosmetic Science” UV radiation damages hair similar to bleaching, but double bleaching causes more severe protein degradation.
April 2025 in “International Journal of Cosmetic Science” A new hair perming method avoids damage and lasts longer than traditional methods.
31 citations
,
June 2010 in “Journal of dermatology” Hair bleaching causes significant damage to hair and skin.
20 citations
,
January 2022 in “Oxidative Medicine and Cellular Longevity” Reactive oxygen species (ROS) influence hair growth by causing DNA damage, cell death, and changes in immune cells.
11 citations
,
June 2001 in “PubMed” Coconut oil can penetrate hair better than mineral oil, potentially protecting against damage.
10 citations
,
January 2020 in “Royal Society Open Science” A new automated method accurately measures hair damage using microscopic images.
9 citations
,
November 2021 in “Frontiers in Cell and Developmental Biology” PBX1 helps reduce aging and cell death in hair follicle stem cells by decreasing DNA damage, not by improving DNA repair.
9 citations
,
March 2005 in “International Journal of Cosmetic Science” The torsional method effectively evaluates hair damage and the performance of hair care ingredients.
7 citations
,
January 1995 Silicone pretreatment protects hair from damage and reduces color fading without interfering with bleaching or dyeing.
3 citations
,
August 2011 in “PubMed” Coconut oil protects hair from damage better than regular grooming practices.
1 citations
,
June 2016 in “Experimental Dermatology” Metabolomics can identify hair damage markers, but its use in creating treatments is uncertain.
February 2026 in “Zenodo (CERN European Organization for Nuclear Research)” Use heat protection and proper techniques to prevent hair damage from styling.
February 2026 in “Zenodo (CERN European Organization for Nuclear Research)” Use heat protection and proper techniques to prevent hair damage from styling.
July 2025 in “International Journal of Cosmetic Science” A new 6-point scale reliably measures heat damage to hair from styling tools.
May 2024 in “International Journal of Cosmetic Science” A new method using near-infrared light can effectively detect and analyze internal hair damage.
January 2024 in “GeroScience” Using radiation to make mice's hair turn gray helps study and find ways to prevent or reverse hair graying.
Using silicon circular iron on Korean women's hair increases hair thickness the most.
January 2016 in “International archives of medicine” Hair coloring is strongly linked to hair damage and scalp problems.
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.
3 citations
,
May 2009 in “International Journal of Cosmetic Science” Relaxer treatments damage African–American hair, with commercial products causing more harm than lab-made solutions.
April 2019 in “Journal of Investigative Dermatology” Caffeine can protect scalp hair follicles from damage caused by UV radiation.
April 2015 in “The FASEB Journal” Nitrogen mustard causes DNA damage and structural changes in mouse skin hair follicles, but some recovery occurs after 5 days.
58 citations
,
October 2016 in “Journal of Investigative Dermatology” Activating Nrf2 protects human hair follicles from oxidative stress and helps prevent hair growth inhibition.
24 citations
,
November 2015 in “International Journal of Cosmetic Science” Treating scalp issues with anti-dandruff shampoo improves hair health.
September 2022 in “International Journal of Health Sciences (IJHS)” Low zinc levels may contribute to hair loss due to increased oxidative DNA damage.
January 2009 in “Rossiiskii Zhurnal Kozhnykh i Venericheskikh Boleznei”
10 citations
,
May 2020 in “Journal of proteome research” Explosions don't stop hair proteins from being used to identify people.
5 citations
,
August 2024 in “International Journal of Cosmetic Science” Particles stick better to healthy hair than damaged hair.
3 citations
,
January 2021 in “ScienceAsia” Using an enzyme and keratin treatment can significantly repair and strengthen damaged hair.