research Polyphenolization:Hair Browning by Phenolic Adhesion,Ambient Oxygen, and Transition Metals
A new hair dye method uses polyphenols and oxidation to create a long-lasting brown color on gray hair.
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90-120 / 1000+ resultsresearch Hair colouring systems delivering colour with reduced fibre damage
Using chelants in hair dye reduces fiber damage by preventing harmful radicals.
research The science of color: How chemical dyeing processes transform hair structure
Oxidative dyes damage hair more than semi-permanent dyes, but new technologies help protect hair while coloring.
research The science of color: How chemical dyeing processes transform hair structure
Hair dyeing changes hair structure, but new technologies help protect hair while coloring.
research Design and Development of a Shampoo with Dark Semi-Permanent Dyes for Gradual Gray Hair Coverage
The shampoo effectively covers gray hair gradually and maintains color after multiple washes.
research Modern hair coloring methods and safety-oriented color trends in 2026
Hair coloring in 2026 requires precise science and safe techniques.
research Effects of Hair Dying by Used-up Coffee Grounds Extract (CGE)
research Fiber-Safe Extraction of Red Mordant Dyes from Hair Fibers
Researchers developed a less damaging way to extract red dyes from wool using EDTA and DMF, preserving the fiber's strength for further analysis.
research Study of colouring effect of herbal hair formulations on graying hair
A herbal mix, especially with Jatamansi, effectively darkens gray hair.
research Riboflavin-Sensitized Photo-Acceleration of Food-Grade Genipin Coloration: Kinetic Insights, Mechanistic Analysis, and Application in Rapid Hair Coloration
Riboflavin and blue light speed up genipin hair dye, making it fast, glossy, stable, and eco-friendly.
research Preparation and Evaluation of One Stage and Two Stage Polyherbal Hair Dye Formulations
Herbal hair dyes using plants like henna and beetroot are safer and can produce varied colors, with two-stage applications giving darker shades.
research Colour cosmetics: Extraction and application of plant-based pigments in the shampoo formulation
Plant-based pigments in shampoo offer vibrant colors and scalp benefits, meeting quality standards and providing a natural alternative to synthetic dyes.
research The science of color: How chemical dyeing processes transform hair structure
Oxidative dyes damage hair more than semi-permanent dyes, but new technologies help protect hair while coloring.
research Riboflavin-Sensitized Photo-Acceleration of Food-Grade Pigment Formation: Kinetic Insights, Mechanistic Analysis, and Application in Rapid Hair Coloration
Riboflavin with blue light speeds up hair dyeing, making it faster, safer, and long-lasting with less hair damage.
research Fiber-Safe Extraction of Red Mordant Dyes from Hair Fibers
A new method extracts red dyes from wool without damaging it, although it slightly weakens the wool.
research Analysis of keratin films as screening tools for predicting the efficacy of potential hair dyes
Translucent keratin films are better for testing hair dyes.
research Chemical Leukoderma from Hair Dye Containing para-Phenylenediamine
Hair dye with para-phenylenediamine can cause skin depigmentation.
research NTP Toxicology and Carcinogenesis Studies of C.I. Acid Orange 3 (CAS No. 6373-74-6) in F344/N Rats and B6C3F1 Mice (Gavage Studies).
C.I. Acid Orange 3 caused cancer in female rats but not in male rats or mice.
research An ex vivo study of the effects of co-surfactants and conditioning additives on hair colour protection
Certain ingredients can help protect hair color.
research Enzymatic synthesis of biosafe hematoxylin dyes on hair: enhanced post-dyeing hair health and boosting color fastness
This eco-friendly hair dye method improves hair health and color durability.
research PENGGUNAAN EKSTRAK KULIT BUAH NAGA MERAH (Hylocereuscostaricensis (F.A.C. Weber) Britton & Rose.) DALAM FORMULASI PEWARNA RAMBUT
Red dragon fruit peel extract can effectively dye gray hair black.
research Protective effect of conditioner agents on hair treated with oxidative hair dye
Conditioners in hair dye reduce damage and improve combability.
research In vitro and in vivo study of dye diffusion into the human skin and hair follicles
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.
research OPTIMIZATION AND PERFORMANCE ASSESSMENT OF HERBAL HAIR COLORING AGENT BY USING BERLERIA PRIONITIS
The herbal hair dye is a safe, effective, and natural alternative to chemical dyes.
research New method of dyeing keratin fibers using poly(ethylene imine) and its coloring mechanism
A new method using poly(ethylene imine) improves hair dyeing at lower temperatures with better color retention.
research Copper and calcium uptake in colored hair
Hair coloring increases copper and calcium uptake, damaging hair and reducing shine.
research Dyeing behaviours of amino heterocyclic compounds as blue oxidative hair dye precursors applied to keratin fibres
1,2,3,4-tetrahydroquinoline compounds are great for stable, pure blue hair dye.
research Hair Cosmetics: Dyes
Hair dyes can change hair color temporarily or permanently but may cause side effects like skin reactions and hair damage.
research Hair color measurement
Hair color is important in many fields and is measured for various purposes.
research Knowledge, practice and adverse reactions amongst Hair dye users - A cross sectional study
Despite adverse effects, people continue using hair dyes for aesthetic reasons, highlighting the need for safer options.