research Percutaneous penetration of hair dyes
Hair dyes penetrate the scalp very minimally, less than 1%.
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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 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 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 Protective effects of Ecklonia cava extract on the toxicity and oxidative stress induced by hair dye in in-vitro and in-vivo models
Ecklonia cava extract can reduce the damage and stress caused by hair dye.
research Effects of Hair dyes on Sequence Analysis of Hair Mitochondrial DNA Hypervariable Region 1
Hair dyes affect DNA analysis results, with the prepFiler kit working best for hair with follicles.
research THE CHEMISTRY MECHANISM OF HAIR DYES
Permanent hair dyes use chemicals that react with hydrogen peroxide to create color.
research Hair Colours/Dyes
Natural plant-based substances can be used as effective hair dyes.
research Formulation and evaluation, comparison of herbal hair dye with marketed formulation
The herbal hair dye with a 1:2 henna to indigo ratio works well, is safe, and eco-friendly.
research Acetyl zingerone methyl ether protects hair against oxidative damage incurred during and after treatment with permanent dyes and helps extend longevity of newly developed hair colour
Acetyl zingerone methyl ether protects and extends hair color while improving hair health.
research Some histological and biochemical evaluation on commercial hair dyes
Commercial hair dyes can harm the skin and liver.
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 Formulation of Nano-sized dispersion from Calendula Officinalis: A Natural gateway to preparation of a Hair Dye
Calendula Officinalis extract can be used to create an effective natural hair dye.
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 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 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 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 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 Allergens of permanent hair dyes induces epidermal damage, skin barrier loss and IL-1 α increase in epidermal in vitro model
Permanent hair dye mixtures can irritate and damage the skin.
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 Nanoparticles in hair dyes
Nanoparticles could make hair dyes safer by reducing harmful effects.
research Effects of semi-permanent hair dyes and conditioning polymers on the colour enhancing properties of shampoo formulations
Shampoos with polymers and dyes help maintain and enhance hair color vibrancy.
research Allergies and hair dyes
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 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 Hair cosmetics: An overview
Dermatologists need to understand hair products to treat hair and scalp issues better.
research Patch testing with hair cosmetic series in E urope: a critical review and recommendation
A standardized patch test for hair cosmetics is needed in Europe to prevent allergies, especially for hairdressers.
research Hair cosmetics
The article concludes that advancements in hair cosmetics require dermatologists to stay informed about products and their potential risks, including allergies and higher risks for hairdressers.
research Nanotechnology-Based Cosmetics for Hair Care
Nanotechnology improves hair care products by enhancing ingredient stability, targeting treatment, and reducing side effects, but more research on its toxicity is needed.
research Age-related hair changes in men: Mechanisms and management of alopecia and graying
Men's hair loss is caused by hormones and genes, and can be treated with medication and surgery, while graying is due to aging and has no prevention except dyeing.