31 citations
,
February 2019 in “International Journal of Cosmetic Science” Caffeine applied to the scalp can protect hair follicles from UV damage.
31 citations
,
June 2010 in “Journal of dermatology” Hair bleaching causes significant damage to hair and skin.
30 citations
,
November 2013 in “PLOS ONE” Androgen receptor signaling causes early aging of cells important for hair growth by damaging their DNA.
29 citations
,
August 2011 in “PubMed” Polymeric pretreatments can significantly reduce hair breakage and damage from hot flat irons.
27 citations
,
February 1991 Cuticle damage doesn't affect hair's tensile strength; the cortex is responsible for it.
26 citations
,
April 2010 in “The American journal of dermatopathology/American journal of dermatopathology” Researchers created a standard system to grade hair damage using microscopic images.
25 citations
,
April 2018 in “Electromagnetic biology and medicine” Mobile phone radiation may cause DNA damage in human ear hair follicle cells.
25 citations
,
December 2011 in “Surface and interface analysis” Bleaching hair causes significant damage by breaking down proteins and fatty acids.
24 citations
,
November 2015 in “International Journal of Cosmetic Science” Treating scalp issues with anti-dandruff shampoo improves hair health.
24 citations
,
October 2008 in “PubMed” Excessive sun exposure damages hair, causing protein loss and color changes.
22 citations
,
November 2016 in “International journal of molecular sciences” Vitamin D receptor is important for regulating hair growth and wound healing in mice.
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.
20 citations
,
February 2017 in “International Journal of Dermatology” Honokiol helps protect skin from damage and aging caused by cigarette smoke.
20 citations
,
January 2015 in “Journal of cosmetic dermatology” Older people's hair cuticles get more easily damaged and lose protective oils, especially in their 40s and 50s.
20 citations
,
June 2012 in “British Journal of Dermatology” Bleaching hair damages protein structure, especially keratin, leading to weakened hair.
13 citations
,
March 2019 in “Journal of cosmetic dermatology” Heat damages hair, with Asian hair losing more protein than Caucasian hair.
12 citations
,
December 2021 in “Aging” A new painless method to collect hair follicles helps study DNA damage and aging.
11 citations
,
June 2001 in “PubMed” Coconut oil can penetrate hair better than mineral oil, potentially protecting against damage.
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.
10 citations
,
May 2020 in “Journal of proteome research” Explosions don't stop hair proteins from being used to identify people.
10 citations
,
January 2020 in “Royal Society Open Science” A new automated method accurately measures hair damage using microscopic images.
10 citations
,
June 2016 in “The journal of investigative dermatology/Journal of investigative dermatology” Vitamin D receptor helps protect skin cells from UV damage and supports their growth.
10 citations
,
January 2011 in “Skin research and technology” Procyanidin oligomers can protect hair from oxidative damage and could be good for hair care products.
10 citations
,
June 1956 in “OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information)” Air pollution has caused over $3 million in crop damage annually in Los Angeles since 1953.
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
,
June 2020 in “European Radiology Experimental” 15-Gy x-ray irradiation temporarily alters rat calvaria skin without causing significant inflammation or fibrosis.
9 citations
,
March 2005 in “International Journal of Cosmetic Science” The torsional method effectively evaluates hair damage and the performance of hair care ingredients.
8 citations
,
March 2022 in “Cancers” Proton minibeam radiotherapy may reduce skin side effects by causing localized DNA damage.
7 citations
,
January 2020 in “International Journal of Trichology” Coconut oil reduces hair damage and breakage more effectively than shampoos and conditioners.
7 citations
,
October 2019 in “Klinická onkologie” Cancer treatments often cause hair loss and damage, affecting patients' mental health.