research Chemical Leukoderma from Hair Dye Containing para-Phenylenediamine
Hair dye with para-phenylenediamine can cause skin depigmentation.
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research Formulation and Evaluation of Herbal Hair Dyes from Tannin Producing Plants - A Substitute for Chemical Hair Dye
Herbal hair dyes from tannin-rich plants are effective and safer than synthetic dyes.
research Hair Follicle Melanogenesis Reflected in Hair Pigmentation as a Developmental Factor in Alopecia Areata
Hair color is not a risk factor for developing alopecia areata.
research Metabolite screening of aromatic amine hair dyes usingin vitrohepatic models
The tested hair dye ingredients do not form harmful oxidized metabolites in the liver.
research Two Cases of Allergic Contact Dermatitis to Hinokitiol and Pantothenylethylether in Hair Growth Promoter
Hinokitiol and pantothenylethylether in hair products can cause strong allergic reactions.
research Hair Protective Effect of Argan Oil (<i>Argania spinosa</i> Kernel Oil) and Cupuassu Butter (<i>Theobroma grandiflorum</i> Seed Butter) Post Treatment with Hair Dye
Argan oil and cupuassu butter can protect hair after dyeing.
research Contact Dermatitis Associated With Nail Care Products: Retrospective Analysis of North American Contact Dermatitis Group Data, 2001–2016
Hair care products often cause contact dermatitis, especially in women and hairdressers.
research Hair dyeing, hair washing and hair cortisol concentrations among women from the healthy start study
Hair dyeing and washing frequency do not affect hair cortisol levels.
research COCAMIDOPROPYL BETAINE: NEW ALLERGEN OR TEMPEST IN A TEA POT?: 21
Shampoos should treat scalp issues while keeping hair soft and shiny.
research Research on Hair Bleach that Causes Less Hair Damage and Smells Less Pungent than Ammonium Hydroxide
AMPD is a better and less damaging alternative to ammonium hydroxide for hair bleaching.
research Modern hair coloring methods and safety-oriented color trends in 2026
Hair coloring in 2026 requires precise science and safe techniques.
research Formulation and Evaluation of Herbal Based Hair Mask
Henna is a safer, natural hair dye but needs more research and standardization.
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 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 Dyeing regions of oxidative hair dyes in human hair investigated by nanoscale secondary ion mass spectrometry
Hair dye colors mainly target melanin granules in black hair.
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 Hydrogen peroxide (H2O2) suppresses hair growth through downregulation of β-catenin
Hydrogen peroxide in hair dye can cause hair loss.
research Comparison of the formulation and allergenic potential of “clean” and traditional shampoos
"Clean" shampoos use fewer allergenic preservatives than traditional ones but still contain fragrances, and their actual risk of causing skin reactions is unclear.
research A Comprehensive Review of Mammalian Pigmentation: Paving the Way for Innovative Hair Colour-Changing Cosmetics
Innovative cosmetics could safely change hair color by targeting biological hair pigmentation processes.
research Evaluation of a novel hybrid polymer in hair treatment
The new polymer improves dyed hair's color, moisture, shine, and smoothness.
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 Hair Cycle-Dependent Changes in Skin Immune Functions: Anagen-Associated Depression of Sensitization for Contact Hypersensitivity in Mice
research Hair Cosmetics for the Hair Loss Patient
Proper hair care and safe use of hair products are crucial for those with hair loss.
research Visible Light-Mediated Environmentally Friendly and Universally Applicable Green Chemistry for Hair Cross-Linking
The study found a green method for strengthening hair works on all hair colors and is eco-friendly.
research Evaluation of a Novel Hybrid Polymer in Hair Treatment
The new hybrid polymer improves dyed hair's color, feel, and manageability.
research Cysteine contents of purified human hair low-sulfur protein components
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 Analysis of the Working Principle of Hair Dye
Understanding different hair dye types can make them safer and better.
research The Bio-Safety Concerns of Three Domestic Temporary Hair Dye Molecules: Fuchsin Basic, Victoria Blue B and Basic Red 2
These temporary hair dyes may be harmful to human health.