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.
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research THE CHEMISTRY MECHANISM OF HAIR DYES
Permanent hair dyes use chemicals that react with hydrogen peroxide to create color.
research 55 cases of allergic reactions to hair dye: a descriptive, consumer complaint‐based study
Many people had severe allergic reactions to a common hair dye ingredient, causing them to seek medical care and miss work.
research Patch tests with commercial hair dye products in patients with allergic contact dermatitis to para-phenylenediamine
Most hair dyes can cause allergic reactions, so test before use.
research Effect of surfactant type on the dyeability and color resistance of semi-permanent basic hair dye
Cationic and nonionic surfactants provide better color intensity and resistance for semi-permanent hair dye than anionic surfactants.
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 A REVIEW ON COLOURFUL MEHENDI: THE RISK OF PARAPHENYLENEDIAMINE
PPD in mehendi can cause serious health problems and needs regulation.
research On Pathways for Small Molecules Into and Out of Human Hair Fibers
Dye enters hair at the edges of cuticle cells and penetrates more from water than alcohol-based solutions.
research Paraphenylenediamine hair dyeing nephropathy: a case report and review of literature
Hair dye chemicals can cause serious health problems, including kidney damage.
research Sensitization and Clinically Relevant Allergy to Hair Dyes and Clothes from Black Henna Tattoos: Do People Know the Risk? An Uncommon Serious Case and a Review of the Literature
Black henna tattoos can cause severe allergies to hair and textile dyes, and there's a need for greater public awareness and regulation.
research Ingredients Present In Personal Care Products That Need Scrutiny
Certain ingredients in personal care products, like formaldehyde, oxidative hair dyes, and sulfates, pose health risks and need careful review.
research Investigation of hair dye deposition, hair color loss, and hair damage during multiple oxidative dyeing and shampooing cycles.
Repeated dyeing and shampooing cause hair color loss and damage.
research Dyeing Human Hair
research Bio-Catalytic Action of Pseudomonas DL17 on Environmental Contaminant Sunset Yellow FCF
Pseudomonas DL17 can completely break down the harmful dye Sunset Yellow FCF in 48 hours.
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 In-vitro and in-vivo study of dye diffusion into the human skin and hair follicles
Dyeing hair can help target and destroy hair follicles selectively.
research Metal-Chelation-Assisted Deposition of Polydopamine on Human Hair: A Ready-to-Use Eumelanin-Based Hair Dyeing Methodology
Polydopamine is a safe, effective, and permanent hair dye that turns gray hair black in one hour.
research Multicolor Hair Dyeing with Biocompatible Dark Polyphenol Complex-Integrated Shampoo with Reactive Oxygen Species Scavenging Activity
The new hair-dyeing shampoo is safe, colors hair evenly, and strengthens it.
research Fluorescent tattoos as anatomic markers to track trichologic responses
Fluorescent tattoos are a good way to mark the scalp for hair treatments because they're accurate, invisible in normal light, and have low risk.
research Long-term toxicity studies on oxidation hair dyes
The hair dye formulations tested did not cause long-term toxicity or cancer in mice.
research STUDIES ON THE STAINING REACTION OF THE FLUORESCENT CONJUGATE OF GLOBULIN
Normal cells stain well with fluorescent globulin, but tumor cells do not.
research Photosensitized 2-amino-3-hydroxypyridine-induced mitochondrial apoptosis via Smac/DIABLO in human skin cells
Using A132 hair dye with sunlight can cause skin damage and hair loss.
research Formulation and Evaluation of Herbal Hair Dye: An Ecofriendly Process
The herbal hair dye is a safe and eco-friendly alternative to conventional dyes.
research Allergies and hair dyes
research Hair dye: A trichoscopy pitfall
Hair dye can make it hard to diagnose scalp conditions correctly.
research A Review of the Natural Herbal Hair Dye for Hair Colour
Herbal hair dyes are safer and eco-friendly compared to synthetic dyes.
research DEVELOPMENT AND ASSESSMENT OF NATURAL HAIR DYE IN VARIOUS FORMULATIONS USING HENNA, HIBISCUS, SHIKAKAI, AMLA AND INDIGO: A REVIEW
Natural hair dyes using plants like henna and indigo are safer and eco-friendly alternatives to synthetic dyes.
research DEVELOPMENT AND ASSESSMENT OF NATURAL HAIR DYE IN VARIOUS FORMULATIONS USING HENNA, HIBISCUS, SHIKAKAI, AMLA AND INDIGO: A REVIEW
Natural plant-based hair dyes are safer and eco-friendly alternatives to synthetic dyes.
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.
research Quantifying the effects of repeated dyeing: morphological, mechanical, and chemical changes in human hair fibers
Repeated hair dyeing significantly damages hair.