research Some Histological and Biochemical Evaluation on Commercial Hair Dyes
Commercial hair dyes can harm the skin and liver.
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research Effect of Protein Hair Straightener on Hair Shaft by Scanning Electron Microscopy
Protein hair straighteners damage the hair more than hair dyes.
research Wound Healing
Fine hairs improve male pattern baldness treatment, alopecia areata causes remain unknown, and hair can recover from dye damage over time.
research Wound Healing, Cutaneous Therapy, Hair
Certain hairstyles can cause scalp diseases, smoking is linked to hair loss, 5% minoxidil foam is effective for hair loss treatment, and various factors influence wound healing and hair growth.
research Use of Hair Products in Relation to Ovarian Cancer Risk
Certain hair straighteners and dyes may increase ovarian cancer risk, especially in African American/Black women.
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 Development of a Novel Penetration-Enhancing Agent for Hair Products
HAIRCARECUBE TM (HCC) helps hair products work better by getting active ingredients deeper into the hair.
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 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 Percutaneous Penetration of Hair Dyes
Hair dyes penetrate the scalp very minimally, less than 1%.
research Biomechanical Properties of Human Hair with Different Parameters
Thicker hair is stronger, regardless of age, gender, or other factors.
research Repigmentation of Hair After Latanoprost Therapy
Latanoprost therapy potentially caused a woman's white hair to darken again.
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 Metabolite Screening of Aromatic Amine Hair Dyes Using In Vitro Hepatic Models
The study investigated the potential oxidative metabolism of nine aromatic amine compounds used in hair dyes using human liver microsomes and hepatocytes. Toluene-2,5-diamine (TDA), p-aminophenol, m-aminophenol, p-methylaminophenol, N,N′-bis(2-hydroxyethyl)-p-phenylenediamine, and 1-hydroxyethyl-4,5-diaminopyrazole showed no evidence of oxidative metabolism. While oxidized metabolites of 4-amino-2-hydroxytoluene (AHT), 2-methyl-5-hydroxyethylaminophenol (MHEAP), and phenyl methyl pyrazolone (PMP) were detected, they did not exhibit NADPH-dependent covalent binding, indicating they were not reactive. Further studies in human hepatocytes revealed that all compounds underwent conjugation without forming oxidative metabolites. The findings suggested that the tested hair dye ingredients did not metabolize into potentially reactive oxidized metabolites in the liver.
research Aging of Hair
Hair ages due to genetics and environmental factors, leading to graying and thinning, with treatments available for some conditions.
research Aging of the Hair Follicle Pigmentation System
Hair grays due to oxidative stress and fewer functioning melanocytes.
research Premature Graying of Hair: Causes, Associations, and Treatments
Premature graying of hair may suggest health issues and currently lacks effective treatments.
research Trichoscan: What Is New?
Trichoscan is a reliable method for measuring hair growth and monitoring treatment effectiveness in hair loss.
research Hair Care Practices and Structural Evaluation of Scalp and Hair Shaft Parameters in African American and Caucasian Women
African American women report more hair issues and use different hair care practices than Caucasian women, and have different hair and scalp characteristics.
research Chemical And Physical Treatments Damage Caucasian And Afro-Ethnic Hair Fibre: Analytical And Image Assays
Chemical and physical treatments like bleaching, dyeing, and UV radiation damage both Caucasian and Afro-ethnic hair.
research Therapeutics of Premature Hair Graying: A Long Journey Ahead
Effective treatments for premature hair graying still require significant research.
research Investigations on the Penetration of Hydrolyzed Wheat Proteins into Human Hair by Confocal Laser-Scanning Fluorescence Microscopy
Hydrolyzed wheat proteins penetrate all hair types effectively.
research Plant Saponin Biosurfactants Used as Soap, Hair Cleanser, and Detergent in India
Plant saponins from Indian plants are natural, cost-effective, and safe for use in soaps, detergents, and hair care products.
research Comparison of Damage to Human Hair Fibers Caused by Monoethanolamine- and Ammonia-Based Hair Colorants
Monoethanolamine-based hair colorants can cause more damage to hair than ammonia-based ones.
research Application of an Enzymatic Method for Identifying Hair Treatments
The enzymatic method can effectively identify chemical treatments on hair.
research Non-Invasive Evaluation of Hair Interior Morphology by X-Ray Microscope
X-ray microscopy can non-invasively show hair structure changes after treatments, but it's less detailed than TEM and needs improvement.
research Could The Use Of Personal Care Oils In Black Women Contribute To Recent Findings Of An Increased Risk Of Breast Cancer In This Population?
Using certain hair products may increase breast cancer risk in black women.
research Effect of Cosmetic Hair Treatment and Natural Hair Color on Hair Testosterone Concentrations
Cosmetic hair treatments can increase hair testosterone levels, while natural hair color does not affect it.
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 The Chlorine-Hair Interaction: Effect of Combining Chlorination with Cosmetic Treatments on Hair Properties
Cosmetic treatments after chlorination damage hair more than treatments before.