69 citations
,
January 2002 in “Journal of biomedical optics” Dyes can penetrate human skin and hair follicles up to 1.2 mm deep and the sebaceous gland can store dye; Indocyanine Green lotion was made for safe dyeing and monitoring.
November 2025 in “International Journal of Biological Macromolecules” This eco-friendly hair dye method improves hair health and color durability.
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.
January 2013 in “Food science and technology research” Green tea extract may increase copper levels in mouse hair without affecting liver copper.
December 2022 in “Ecological Chemistry and Engineering S” A new compound was made to detect copper ions effectively.
13 citations
,
March 2010 in “International Journal of Cosmetic Science” Hair coloring increases copper and calcium uptake, damaging hair and reducing shine.
27 citations
,
February 2003 in “Cell and Tissue Research” FM dyes effectively stain Merkel cells for long-term observation.
25 citations
,
January 2013 in “Colloids and surfaces. B, Biointerfaces” Hair dye colors mainly target melanin granules in black hair.
March 2026 in “Mendeley Data” March 2026 in “Mendeley Data”
1 citations
,
December 2021 in “Annals of phytomedicine” The herbal hair dye with a 1:2 henna to indigo ratio works well, is safe, and eco-friendly.
5 citations
,
January 2011 in “International Journal of Cosmetic Science” 1,2,3,4-tetrahydroquinoline compounds are great for stable, pure blue hair dye.
June 2021 in “Research Square (Research Square)” Dyed chitin nanofibers are strong, colorful, and water-resistant, enhancing resin strength and color.
16 citations
,
June 1983 in “Journal of Neurochemistry” Copper therapy improved health and enzyme activity in mice with copper deficiency.
1 citations
,
September 2008 in “International Journal of Cosmetic Science” Using chelants in hair dye reduces fiber damage by preventing harmful radicals.
7 citations
,
October 1985 in “Genetics Research” Beige and leaden pigment genes act within melanocytes, affecting pigment patterns.
9 citations
,
January 2010 The herbal hair dye is a safe and eco-friendly alternative to conventional dyes.
January 2020 in “대한미용학회지” Permanent hair dye reduces sulfur content in both gray and black-brown hair.
April 2026 in “Cosmetics” The shampoo effectively covers gray hair gradually and maintains color after multiple washes.
30 citations
,
November 1985 in “American Journal of Veterinary Research” Switch hair can indicate magnesium and copper levels in beef cows.
The herbal hair dye using Platycladus orientalis effectively prevents hair loss, covers gray, and is gentle and safe for all ages.
5 citations
,
February 2019 in “Journal of oceanology and limnology (Online)” Ecklonia cava extract can reduce the damage and stress caused by hair dye.
3 citations
,
May 1964 in “Nature”
January 1963 in “Stain technology” Ziehl-Neelsen's stain helps identify different parts of hair in sheep and goats.
9 citations
,
July 2012 in “Dermatitis” Hair dye with para-phenylenediamine can cause skin depigmentation.
A natural hair dye from cuttlefish ink and chitosan effectively colors hair black without harmful chemicals.
August 2022 in “Zenodo (CERN European Organization for Nuclear Research)” The herbal hair dye effectively provides a natural reddish-brown color without synthetic chemicals.
3 citations
,
April 2023 in “Research Journal of Pharmacy and Technology” Calendula Officinalis extract can be used to create an effective natural hair dye.
16 citations
,
January 2015 in “Forensic science international” The hair of two ancient Chilean mummies is well-preserved and contains high levels of heavy metals.
6 citations
,
October 2003 in “Journal of applied polymer science” A new method using poly(ethylene imine) improves hair dyeing at lower temperatures with better color retention.