33 citations
,
January 2017 in “Psychoneuroendocrinology” Hair dyeing and washing frequency do not affect hair cortisol levels.
22 citations
,
November 2010 in “Toxicological & Environmental Chemistry Reviews” Smokers and people with dyed hair have higher levels of certain metals in their hair.
8 citations
,
January 2013 in “Annals of Dermatology” Korean women dye their gray hair more than men, and it doesn't cause scalp diseases.
4 citations
,
August 2016 in “PubMed” Repeated dyeing and shampooing cause hair color loss and damage.
3 citations
,
July 2023 in “Acta Biomaterialia” PepACS offers a safer, eco-friendly way to perm, dye, and repair hair.
1 citations
,
May 2023 in “Frontiers in medicine” Hair dyes and perms can damage hair and scalp, but using interventions can reduce harm.
November 2025 in “International Journal of Biological Macromolecules” This eco-friendly hair dye method improves hair health and color durability.
September 2024 in “Heliyon” Repeated hair dyeing significantly damages hair.
August 2024 in “Journal of the Korean Society of Cosmetology” Wild peach leaf extract improves hair strength, thickness, and shine after dyeing.
November 2025 in “Zenodo (CERN European Organization for Nuclear Research)” Hair dyeing changes hair structure, but new technologies help protect hair while coloring.
October 2024 in “UNESP Institutional Repository (São Paulo State University)” Straightening and dyeing damage hair structure.
98 citations
,
November 2002 in “Contact Dermatitis” Many people had severe allergic reactions to a common hair dye ingredient, causing them to seek medical care and miss work.
5 citations
,
July 2006 in “Contact dermatitis” Ammonium bisulfite in hair bleach can cause facial eczema.
25 citations
,
January 2013 in “Colloids and surfaces. B, Biointerfaces” Hair dye colors mainly target melanin granules in black hair.
5 citations
,
April 2018 in “Chem” Graphene-based hair dye is a safe, durable, and effective alternative to traditional black hair dyes.
4 citations
,
January 2018 in “Urology & Nephrology Open Access Journal” Hair dye chemicals can cause serious health problems, including kidney damage.
October 2023 in “Biomimetics” The new hair-dyeing shampoo is safe, colors hair evenly, and strengthens it.
24 citations
,
April 2016 in “Experimental Dermatology” Chemical treatments like dyeing, perming, and bleaching damage hair by altering amino acids and lipids.
1 citations
,
June 2023 in “Skin Research and Technology” Hair-coating shampoos dye better initially, but hair-oxidation shampoos keep color longer and may damage hair more.
January 2006 in “东华大学学报:英文版” Microwave plasma treatment improves yak hair dyeing.
10 citations
,
January 2015 in “Current problems in dermatology” Gentle hair care and avoiding harsh treatments can help manage hair loss.
63 citations
,
February 2017 in “ACS biomaterials science & engineering” Polydopamine is a safe, effective, and permanent hair dye that turns gray hair black in one hour.
December 2025 in “Applied and Computational Engineering” Hair dyes can be harmful, but risks vary by person and can be reduced.
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.
1 citations
,
January 2002 in “Springer eBooks” December 2023 in “Asian journal of beauty & cosmetology”
March 2013 in “Molecular & Cellular Toxicology/Molecular & cellular toxicology” m-Aminophenol in hair dye can cause skin cell toxicity and stress responses.
December 2025 in “Sustainable Chemistry One World” Mangosteen waste can be used as an eco-friendly natural hair dye, producing a lasting reddish color and strengthening hair.
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.
5 citations
,
January 2011 in “International Journal of Cosmetic Science” 1,2,3,4-tetrahydroquinoline compounds are great for stable, pure blue hair dye.