30 citations
,
June 2017 in “Journal of cutaneous medicine and surgery” Topical ruxolitinib failed to regrow hair in a 66-year-old with alopecia areata.
9 citations
,
October 2020 in “Journal of The American Academy of Dermatology” Low-dose oral minoxidil is an effective and well-tolerated treatment for hair growth in alopecia patients.
6 citations
,
January 2021 in “Journal of The American Academy of Dermatology” Low-dose oral minoxidil can be effective for hair loss but should be avoided in people with certain heart conditions and severe liver problems.
5 citations
,
June 2019 in “Dermatopathology” Histopathology is not reliable for detecting early fibrosis in traction alopecia or for showing how severe it is.
February 2026 in “Case Reports in Dermatology” Finasteride can cause melasma, especially in people with darker skin.
March 2025 in “Journal of Cutaneous Medicine and Surgery” Few dermatologists in Ontario accept OHIP referrals for hair loss, leading to long wait times and high fees.
Low-dose oral minoxidil effectively treats hair loss with good tolerance.
July 2018 in “Elsevier eBooks” Stopping tight hairstyles can prevent and reduce traction alopecia.
1 citations
,
September 2008 in “International Journal of Cosmetic Science” Using chelants in hair dye reduces fiber damage by preventing harmful radicals.
January 2014 in “한국미용학회지” UV-A radiation significantly damages semi-permanent dyed hair.
18 citations
,
July 2015 in “Journal of cosmetic dermatology” Straightening and coloring hair, especially with sodium hydroxide, greatly increases protein loss.
September 2025 in “Sahel Journal of Life Sciences FUDMA” Chemical hair straighteners can severely damage hair and scalp with repeated use.
4 citations
,
August 2016 in “PubMed” Repeated dyeing and shampooing cause hair color loss and damage.
18 citations
,
March 2009 in “Skin pharmacology and physiology” Sunlight damages hair, causing cuticle loss, protein changes, and discoloration.
2 citations
,
December 2013 in “Journal of Cosmetic Dermatology” UV treatment can damage hair, so protection is advised.
November 2025 in “Zenodo (CERN European Organization for Nuclear Research)” Oxidative dyes damage hair more than semi-permanent dyes, but new technologies help protect hair while coloring.
Bleaching hair twice makes it very dry and weak.
January 2015 in “Springer eBooks” Hair damage shows as fragility, dullness, and discoloration, varies by ethnicity, and is worsened by cosmetic procedures and diseases.
December 2025 in “Journal of Forensic Sciences” Bleaching hair doesn't affect the accuracy of dye identification using SERS.
May 2026 in “Journal of Photochemistry and Photobiology” Solar radiation and pollution damage hair, especially light-colored and bleached hair.
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.
24 citations
,
October 2008 in “PubMed” Excessive sun exposure damages hair, causing protein loss and color changes.
4 citations
,
January 2007 in “Sen'i Gakkaishi” Permed hair degrades faster and shows more damage after protease treatment compared to untreated hair.
36 citations
,
October 2014 in “Langmuir” Bleaching hair removes its protective top layer and exposes more hydrophilic groups, changing its chemical surface and affecting how it interacts with products.
March 2025 in “Digital Library of Theses and Dissertations (Universidade de São Paulo)” Ferulic acid and resveratrol protect hair from chemical and sun damage.
5 citations
,
November 2003 in “PubMed” Chemical treatments and light exposure damage hair proteins.
October 2024 in “UNESP Institutional Repository (São Paulo State University)” Straightening and dyeing damage hair structure.
4 citations
,
May 2014 in “PubMed” Monoethanolamine-based hair colorants can cause more damage to hair than ammonia-based ones.
7 citations
,
September 2004 in “International Journal of Cosmetic Science” Blond hair lightens more with visible light directly, while ultraviolet light lightens it after washing by damaging other hair parts.
January 2005 in “Seibutsu Butsuri/Seibutsu butsuri” Chemical treatments damage hair more than UV exposure, making it thinner and less flexible.