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.
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30 / 776 results research Percutaneous Penetration of Hair Dyes
Hair dyes penetrate the scalp very minimally, less than 1%.
research Permeant Lipophilicity and Vehicle Composition Influence Accumulation of Dyes in Hair Follicles of Human Skin
Lipophilic dyes accumulate more in hair follicles when delivered with surfactant-propylene glycol solutions.
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 Using In Vitro Hepatic Models
The tested hair dye ingredients do not form harmful oxidized metabolites in the liver.
research The Chemistry Mechanism of Hair Dyes
Permanent hair dyes use chemicals that react with hydrogen peroxide to create color.
research Some Histological and Biochemical Evaluation on Commercial Hair Dyes
Commercial hair dyes can harm the skin and liver.
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 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 Allergens of Permanent Hair Dyes Induce Epidermal Damage, Skin Barrier Loss, and IL-1 Alpha Increase in Epidermal In Vitro Model
Permanent hair dye mixtures can irritate and damage the skin.
research Allergic Contact Dermatitis from Dyes in Wigs Following Diphenylcyclopropenone Treatment
Avoiding dyed wigs and clothing improved severe allergic reactions in a woman treated with diphencyprone.
research Hair Colors and Dyes
Natural plant-based substances can be used as effective hair dyes.
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 Allergies and Hair Dyes
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 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 In Vitro and In Vivo Study of Dye Diffusion into Human Skin and Hair Follicles
Dyes can penetrate human skin and hair follicles up to 1.2 mm deep and the sebaceous gland can store dye; Indocyanine Green lotion was made for safe dyeing and monitoring.
research Types of Hair Dye and Their Mechanisms of Action
Hair dyes vary in how long they last and how deeply they penetrate hair.
research Formulation and Evaluation of Herbal Hair Dye: An Ecofriendly Process
The herbal hair dye is a safe and eco-friendly alternative to conventional dyes.
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 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 Observation of the Microstructure of Human Hair Based on a Single Detector Optical Coherence Tomography
Chemical dyes damage hair's internal structure more than perming, as shown by a special imaging technique.
research Dermatological Drugs and Topical Agents
Certain skin drugs and topical agents, including some natural extracts and fragrances, can cause allergic reactions. Some hair dyes and extensions, as well as minoxidil, a hair growth treatment, can also cause allergies. Botulinum toxin A can effectively reduce sweat but may have temporary side effects.
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 Effect of Protein Hair Straightener on Hair Shaft by Scanning Electron Microscopy
Protein hair straighteners damage the hair more than hair dyes.
research Uses of Onion (Allium Cepa L.) and Aloe Vera (Aloe Barbadensis Miller) Post Hair Dye Treatment
Onion and Aloe vera can help protect hair from damage caused by hair dyes.
research Dyeing Your Hair with Graphene
Graphene-based hair dye is a safe, durable, and effective alternative to traditional black hair dyes.
research Surgery And Laser
Various skin conditions like cutaneous lupus erythematosus, psoriasis, and basal cell carcinoma can be effectively treated with antihypertensive agents, NB-UVB phototherapy, and imiquimod cream respectively. Vaccines are effective against genital herpes and HPV-16 infection. Early intervention is crucial for conditions like diabetic foot ulcers and neonatal herpes. Certain dyes can cause hand dermatitis, and there's a link between smoking/drinking and psoriasis in men. No direct link was found between low iron levels and chronic hair loss in women.
research What Factors Play a Role in Unhealthy Hair?
Environmental, chemical, mechanical, and personal health factors can all damage hair and contribute to hair loss or changes in hair quality.
research Microscopic High-Resolution Digital Volumetric Imaging of Human Hair Fibers
DVI provides detailed 3D imaging of hair and shows how various products protect and enhance hair.