research Long-term toxicity studies on oxidation hair dyes
The hair dye formulations tested did not cause long-term toxicity or cancer in mice.
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research Considering the risk of a coloring shampoo with the function of gray hair cover cosmetology and skin barrier: A systematic review
Coloring shampoos for gray hair may cause gene mutation, reproductive issues, and skin damage, needing stricter regulation and expert consultation.
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 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 Gene expression profiling of human keratinocytes exposed to the hair-dying agent, m-aminophenol
m-Aminophenol in hair dye can cause skin cell toxicity and stress responses.
research Hair cosmetics: An overview
Dermatologists need to understand hair products to treat hair and scalp issues better.
research THE CHEMISTRY MECHANISM OF HAIR DYES
Permanent hair dyes use chemicals that react with hydrogen peroxide to create color.
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 Hair Product Allergy: A Review of Epidemiology and Management
Hair product allergies are common, especially to hair dyes, and hairdressers are at higher risk.
research Development and Physicochemical Evaluation of a Polyherbal Dual-Action Shampoo for Hair Coloring and Conditioning
The shampoo naturally colors and conditions hair safely without toxic chemicals.
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 Weathering
Avoid chemical and physical damage to protect hair.
research Hair Colours/Dyes
Natural plant-based substances can be used as effective hair 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 Ocular Effects of Cosmetic Products and Procedures
Cosmetics and procedures can cause eye issues, from mild discomfort to serious conditions, due to allergies, toxins, or poor care.
research Mechanisms of impairment in hair and scalp induced by hair dyeing and perming and potential interventions
Hair dyes and perms can damage hair and scalp, but using interventions can reduce harm.
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 Xenobiotica-metabolizing enzymes in the skin of rat, mouse, pig, guinea pig, man, and in human skin models
Different species and human skin models vary in their skin enzyme activities, with pig skin and some models closely matching human skin, useful for safety assessments and understanding the skin's protective roles.
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 The Development of Squid Ink Melanin Nanoparticles as a Multifunctional Colorant Anchored on Hair Fibers: Preparation, Physicochemical Characterization and Dyeing Performance
Squid ink melanin nanoparticles create a safe, long-lasting black hair dye that protects hair and offers UV protection.
research Allergic contact dermatitis of the scalp: a review of an underdiagnosed entity
Scalp allergic reactions are often missed, needing specific tests and avoiding certain hair products for proper treatment.
research Nanomaterials in hair care and treatment
Nanomaterials can improve hair care products and treatments, including hair loss and alopecia, by enhancing stability and safety, and allowing controlled release of compounds, but their safety in cosmetics needs more understanding.
research Determination of protonation state in molecular salt of minoxidil and 2,4-dihydroxybenzoic acid through a combined experimental and theoretical study: influence of proton transfer on biological activities
The MXD/24HA salt is more effective for hair growth than raw MXD.
research Anti-allergic Effects Of Fertilized Red Ginseng Marc On 2,4-dinitrochlorobenzene-induced Atopic Dermatitis-like Mice Model
Fermented red ginseng marc may help treat atopic dermatitis by reducing inflammation and improving skin health.
research The Intervention Effect of Externally Applying or Orally Administering Bifidobacterium animalis Subsp. lactis J12 on Atopic Dermatitis Induced by 2,4-Dinitrofluorobenzene
Bifidobacterium animalis subsp. lactis J12 helps reduce atopic dermatitis symptoms.
research The Clinical Differences on 2:4 Finger Ratios of the Hirsute Women
Women with excessive hair growth tend to have shorter index and ring fingers compared to others.
research 2-Substituted 4-(Thio)chromenone 6-O-Sulfamates: Potent Inhibitors of Human Steroid Sulfatase
New compounds were made that block an enzyme linked to breast cancer better than existing treatments.
research Topical ALA-Photodynamic Therapy for Acne Can Induce Apoptosis of Sebocytes and Down-regulate Their TLR-2 and TLR-4 Expression
ALA-photodynamic therapy helps reduce acne by causing acne cell death and lowering certain skin protein levels.
research Neurotrophin-4 modulates the mechanotransducer Cav3.2 T-type calcium current in mice down-hair neurons
Neurotrophin-4 increases calcium current in specific mouse neurons through the PI3K pathway.
research 24-Hydroxycholesterol suppresses steroid 5α-reductase-catalyzed conversion in human glioblastoma cell lines: A novel link between brain cholesterol homeostasis and androgen metabolism
24-Hydroxycholesterol reduces DHT formation in brain cancer cells, linking cholesterol and hormone metabolism.