research Implication of microRNA regulation in para-phenylenediamine-induced cell death and senescence in normal human hair dermal papilla cells
Hair dye ingredient PPD causes cell death and aging in human hair cells by altering microRNA levels.
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660-690 / 1000+ resultsresearch 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 Long-term toxicity studies on oxidation hair dyes
The hair dye formulations tested did not cause long-term toxicity or cancer in mice.
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 The Pattern of Hair Dyeing in Koreans with Gray Hair
Korean women dye their gray hair more than men, and it doesn't cause scalp diseases.
research Influence of urea on the coloring ability of a low‐temperature coloring method of keratin fibers using polyethyleneimine
Urea helps hair dye penetrate better and last longer.
research A comparison of dyeing efficacy between hair‐oxidation‐based and hair‐coating‐based shampoos for the treatment of gray hair
Hair-coating shampoos dye better initially, but hair-oxidation shampoos keep color longer and may damage hair more.
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 Polyphenolization:Hair Browning by Phenolic Adhesion,Ambient Oxygen, and Transition Metals
A new hair dye method uses polyphenols and oxidation to create a long-lasting brown color on gray hair.
research Role of direct immunofluorescence on outer root sheath of hair follicle in monitoring disease activity of pemphigus vulgaris
Testing hair roots with a special dye is a simple, non-invasive way to check disease progress in pemphigus vulgaris patients.
research An Innovative Scalp-Dyeing Technique with Gentian Violet Solution During Follicular Unit Extraction for White-Haired Follicular Units
A new method using gentian violet dye makes it easier to see and work with white hair in hair transplant surgeries.
research A highly resistant structure between the cuticle and the cortex of human hair. II . CARB , a penetration barrier
CARB is a strong barrier in human hair that prevents dye penetration.
research Innovative Device for Indocianyne Green Navigational Surgery
The new device improves surgical accuracy by using a special dye and camera to see inside tissues.
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 Activated carbon fiber derived from the seed hair fibers of Metaplexis japonica: Novel efficient adsorbent for methylene blue
Activated carbon fibers from Metaplexis japonica seed hair are highly effective for removing the dye methylene blue from water.
research Hair color digitization through imaging and deep inverse graphics
A new method accurately captures and renders hair color for virtual reality and hair dye use.
research Bioinspired peptides designed for hair perming and dyeing with potential for repair
PepACS offers a safer, eco-friendly way to perm, dye, and repair hair.
research Hair greying & its palliative management
Hair greying is seen as a sign of aging; temporary fixes like hair dye are used, but a balanced diet and hair care can help manage it.
research Aging of hair and its treatment
Hair ages by graying and thinning, treatable with medications, transplants, or hair dye.
research Hair growth rate estimation in North American ursids
Bear hair grows 0.10 to 1.05 mm per day, varying by individual and season.
research Percutaneous penetration of hair dyes
Hair dyes penetrate the scalp very minimally, less than 1%.
research Nanoparticles in hair dyes
Nanoparticles could make hair dyes safer by reducing harmful effects.
research Distribution of acid and alkaline phosphatases in canine skin.
ALP and ACP have different roles in dog skin, with ALP aiding growth and maintenance, and ACP involved in breakdown processes.
research Protective effect of a novel metal-phenolic network composite against ultraviolet-induced skin damage by modulating MAPK/AP-1/NF-κB signaling pathways and attenuating oxidative stress in human keratinocytes
Melamax® protects skin from UV damage and reduces inflammation and oxidative stress.
research Characterization and Localization of Side Population Cells in Mouse Skin
Mouse skin has special cells in the epidermis that decrease with age and are linked to keratinocyte stem cells.
research Pigmented contact dermatitis from topical minoxidil 5%
Minoxidil 5% caused skin discoloration in a man using it for hair loss.
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 NTP Toxicology and Carcinogenesis Studies of C.I. Acid Orange 3 (CAS No. 6373-74-6) in F344/N Rats and B6C3F1 Mice (Gavage Studies).
C.I. Acid Orange 3 caused cancer in female rats but not in male rats or mice.
research Pharmacognostic Standardization of Lawsonia inermis L. Leaf
The research helps standardize Henna leaf for safe use in traditional medicine and hair care.
research Fluorescence Microscopy Study of the Sorption of Cationic Polymers on Hair
Polymer JR400 sticks to hair but washes off with detergent.