research Hair Dye Effects on the Hair Coat and the Skin of the Dog: A Scanning Electron Microscopic Study
Frequent hair dye use caused significant hair and skin damage and affected the dogs' behavior.
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690-720 / 1000+ resultsresearch Some histological and biochemical evaluation on commercial hair dyes
Commercial hair dyes can harm the skin and liver.
research Prior bleaching of virgin or colored hair has minimal impact on SERS ‐based hair dye identification
Bleaching hair doesn't affect the accuracy of dye identification using SERS.
research Allergies and hair dyes
research Laccase-catalyzed poly(tyrosine) grafting improves the performance of wool
Using laccase to add poly(tyrosine) to wool makes it less likely to shrink and stronger.
research Scanning Electron Microscope Evaluation of Hair Dye Effects on the Cuticle Cells of Canine Hair
Hair dye can damage dog hair and cause health issues.
research Severe Hair Loss of the Scalp due to a Hair Dye Containing Para phenylenediamine
A woman lost most of her hair due to an allergic reaction to a hair dye ingredient.
research Copper and calcium uptake in colored hair
Hair coloring increases copper and calcium uptake, damaging hair and reducing shine.
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 Nanoparticles in hair dyes
Nanoparticles could make hair dyes safer by reducing harmful effects.
research Permeant lipophilicity and vehicle composition influence accumulation of dyes in hair follicles of human skin
Lipophilic dyes accumulate more in hair follicles when delivered with surfactant-propylene glycol solutions.
research Microscopic high-resolution digital volumetric imaging of human hair fibers
DVI provides detailed 3D imaging of hair and shows how various products protect and enhance hair.
research Complication following treatment with a microneedling technique for a female pattern hair loss: hair dye-induced tattoo-like pigmentation
Avoid hair dye after microneedling to prevent scalp pigmentation.
research A simple method for the demonstration of the iron pigment in human red hair.
research Microscopic Hair Changes Associated with Hair Coloring, Hair Waving and Hair Ironing in Iranian Women
Hair coloring, waving, and ironing cause more hair damage than not using these treatments.
research Changing human hair fibre colour and shape from the follicle
New methods may change hair color and shape from the root, revolutionizing hair styling.
research Chemical and photo-oxidative hair damage studied by dye diffusion and electrophoresis.
Chemical treatments and light exposure damage hair proteins.
research Formulation and Evaluation of Herbal Hair Dye
The herbal hair dye effectively provides a natural reddish-brown color without synthetic chemicals.
research Patterns of Sensitization and Cross-Reactivity in Hair Dye Allergy: An 18-Year Tertiary-Center Experience from Greece.
Most hair dye allergies are caused by para-phenylenediamine (PPD), and safer hair dye options are needed.
research Caution with Hair Dye: Foreign Body Skull Erosive Granuloma from Exogenous Hair Pigmentation
Hair dye can cause serious scalp issues, including skull erosion.
research Permanent hair dyes and bladder cancer risk
Permanent hair dye use may increase bladder cancer risk, especially in female smokers with certain genetic traits.
research P-Phenylenediamine-Induced Angioedema-like Facies: A Case Report and Review of Pathomechanisms
Hair dye ingredient PPD can cause severe allergic reactions, including facial swelling.
research DSC-investigations of alpha-keratins and the specific effects of chemical treatments on human hair
Chemical treatments weaken hair's thermal stability and structure.
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 Apply directly to the forehead: Holmes, Nana, and hennapecia
Henna mixed with PPD can cause skin reactions, scarring, and a specific type of baldness, and needs more research to understand these effects.
research Ethosomes in hair dye products as carriers of the major compounds of black tea extracts
Ethosomes improve black tea extract absorption in hair dye.
research Time and depth resolved visualisation of the diffusion of a lipophilic dye into the hair follicle of fresh unfixed human scalp skin
The dye quickly penetrates hair follicles, mainly through the gap, not the surrounding skin.
research Structural Changes of Hair Keratin by Reduction, Heat and subsequent Oxidation Treatments
DTDG in hair treatments reduces damage and preserves hair structure.
research A stain for plucked anagen hairs
A new staining method helps tell growing from resting hairs to diagnose hair loss.
research Inovasi pewarna rambut alami: Formulasi gel berbahan dasar ekstrak umbi bawang dayak (Eleutherine bulbosa (mill.)Urb.) dan uji sifat fisiknya
The natural hair dye gel with 12% Eleutherine bulbosa extract effectively colors bleached hair dark brown and is stable and non-irritating.