October 2024 in “UNESP Institutional Repository (São Paulo State University)” Straightening and dyeing damage hair structure.
January 2024 in “Skin appendage disorders” Environmental pollutants can damage hair health and cause hair loss.
70 citations
,
June 1998 in “Polymer” Permanent waving damages hair by disrupting its keratin structure.
14 citations
,
September 2016 in “Journal of Photochemistry and Photobiology B Biology” UV exposure damages hair, increasing thiols and altering protein structure.
7 citations
,
January 2001 in “Comprehensive series in photosciences” UV radiation significantly damages hair, especially with humidity, making it more vulnerable to further damage.
6 citations
,
January 1997 in “Medical Mycology” The fungus Piedraia hortae damages hair by slowly breaking down its layers, leading to long-lasting infection.
5 citations
,
July 1999 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” Proteolytic enzymes damage hair follicles by detaching stem cells.
1 citations
,
January 1988 Cosmetic treatments after chlorination damage hair more than treatments before.
November 2025 in “International Journal of Science and Research Archive” Oxidative dyes damage hair more than semi-permanent dyes, but new technologies help protect hair while coloring.
August 2025 in “Aesthetic Cosmetology and Medicine” Blue light can damage hair and scalp, leading to hair loss.
April 2018 in “The journal of investigative dermatology/Journal of investigative dermatology” Higher fluence in hair removal damages hair follicles more, while lower fluence mimics natural hair regression, with long-term IPL treatments effectively reducing hair.
April 2018 in “The journal of investigative dermatology/Journal of investigative dermatology” Electrical epilation damages hair follicles and surrounding skin, likely preventing hair regrowth.
January 1991 in “Journal of Society of Cosmetic Chemists of Japan” Hair treatments can damage hair by changing its chemical content.
16 citations
,
May 2017 in “Journal of cosmetic dermatology” An unhealthy scalp can damage new hair, but using ZPT shampoo can improve hair health.
August 2023 in “Clinical, Cosmetic and Investigational Dermatology” The new hair transplant device reduces damage to hair follicles and makes surgery more comfortable for the surgeon.
January 2005 in “The Chinese Journal of Dermatovenereology” High fluoride increases damage in hair follicles, but low selenium can reduce this damage at lower fluoride levels.
March 1997 in “Medical Molecular Morphology” Zinc deficiency causes early scalp hair damage that recovers slower than skin symptoms.
August 1985 in “Proceedings ... annual meeting, Electron Microscopy Society of America/Proceedings, annual meeting, Electron Microscopy Society of America” Hair dye can damage dog hair and cause health issues.
9 citations
,
May 2018 in “Photochemistry and photobiology” The Hair BB Cream effectively prevents UV damage and improves hair health.
5 citations
,
November 2022 in “Molecular Neurobiology” Melatonin may protect inner ear cells from damage by reducing cell death and oxidative stress, potentially treating sudden hearing loss.
5 citations
,
July 2021 in “Basic & Clinical Pharmacology & Toxicology” Melatonin may protect ear cells from damage caused by nicotine.
November 2024 in “Journal of Drugs in Dermatology” PRP shows promise for scarring alopecia but needs more research before replacing current treatments.
July 2024 in “Natural Product Research” Nk-EE may help treat hair loss by promoting hair growth and preventing hair follicle damage.
June 2023 in “Medeniyet medical journal” People with alopecia areata have similar retinal structures but thicker choroidal regions compared to those without the condition.
June 2006 in “Experimental dermatology” Hair follicle bulge cells are important for hair survival and help heal the skin after injury, which might be relevant for understanding hidradenitis suppurativa.
12 citations
,
July 2015 in “British journal of dermatology/British journal of dermatology, Supplement” Curly hair breaks due to mechanical damage and environmental factors, not chemical makeup, and needs ongoing care to prevent breakage.
12 citations
,
January 1994 in “Dermatology” The patient's hair had unique damage and a lower sulfur-to-nitrogen ratio compared to relatives, but not compared to healthy controls.
8 citations
,
January 2018 in “Journal of cosmetic dermatology” Conditioners in hair dye reduce damage and improve combability.
1 citations
,
October 2024 in “The American Journal of Gastroenterology” Nutrafol may cause liver damage.
November 2025 in “International Journal of Applied and Experimental Biology” Hemp shows promise for skincare and hair care due to its therapeutic properties, but standardization and clinical evidence are needed.