research Tensile Properties of Twisted Hair Fibers
Twisting hair weakens it, but strength can be recovered at low twist levels.
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research Formulation and Evaluation of Herbal Hair Dye Compared to Marketed Formulation
The herbal hair dye with a 1:2 henna to indigo ratio works well, is safe, and eco-friendly.
research Cosmetic Approach for Healthy and Damaged Hair
Cosmetic procedures can harm hair, but damage can be minimized with knowledge and care; however, once hair is damaged, it cannot be reliably repaired.
research A Reciprocal Lattice Approach to Assessing the Luster of Hair Fibers, Based on Scattering by Periodically Deformed Cylinders
A new method helps understand hair shine and various products improve hair care.
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 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.
research Hair Care and Cosmetics
Hair care products are important for appearance and self-esteem, and choosing the right ones can help maintain healthy hair.
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 Optical Coherence Tomography to Evaluate the Effects of Oxidative Hair Dye on the Fiber
Oxidative hair dye changes hair color and structure but doesn't weaken it.
research Porosity at Different Structural Levels in Human and Yak Belly Hair and Its Effect on Hair Dyeing
Yak belly hair has higher porosity and is less stiff than human hair, making it absorb dye better but less suitable as a direct substitute for hair dyeing.
research Effect of Surfactant Type on the Dyeability and Color Resistance of Semi-Permanent Basic Hair Dye
Cationic and nonionic surfactants provide better color intensity and resistance for semi-permanent hair dye than anionic surfactants.
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 Metal Chelation Assisted Deposition of Polydopamine on Human Hair: A Ready-to-Use Eumelanin-Based Hair Dyeing Methodology
Polydopamine is a safe, effective, and permanent hair dye that turns gray hair black in one hour.
research Hydrogen Peroxide and Monoethanolamine Are the Key Causative Ingredients for Hair Dye-Induced Dermatitis and Hair Loss
Hydrogen peroxide and monoethanolamine in hair dye can cause dermatitis and hair loss.
research Paraphenylenediamine Hair Dyeing Nephropathy: A Case Report and Review of Literature
Hair dye chemicals can cause serious health problems, including kidney damage.
research Reversing Gray Hair: Inspiring the Development of New Therapies Through Research on Hair Pigmentation and Repigmentation Progress
Gray hair can potentially be reversed, leading to new treatments.
research Hair Cycle and Hair Pigmentation: Dynamic Interactions and Changes Associated with Aging
As people age, their hair follicles produce less pigment, leading to gray and white hair, due to factors like reduced enzyme activity and damage to melanocyte DNA.
research Hair Care Products: Waving, Straightening, Conditioning, and Coloring
Proper haircare and communication with doctors are key to managing hair loss and avoiding damage.
research Premature Graying of Hair: Causes, Associations, and Treatments
Premature graying of hair may suggest health issues and currently lacks effective treatments.
research Severe Hair Loss of the Scalp Due to a Hair Dye Containing Para-Phenylenediamine
A woman lost most of her hair due to an allergic reaction to a hair dye ingredient.
research Prevalence of Hair Shedding Among Women
About 40% of women without hair loss and 60% with hair loss experience a lot of hair shedding, especially those under 50 with long hair.
research Hair Dye: A Trichoscopy Pitfall
Hair dye can make it hard to diagnose scalp conditions correctly.
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 Alopecia Areata After Severe Allergic Contact Dermatitis to a Permanent Hair Dye
Severe allergic reactions to hair dye can trigger hair loss and may be linked to multiple sclerosis.
research Gene Expression Profiling of Human Keratinocytes Exposed to the Hair-Dyeing Agent, m-Aminophenol
m-Aminophenol in hair dye can cause skin cell toxicity and stress responses.
research Epidemiological and Biochemical Factors (Serum Ferritin and Vitamin D) Associated with Premature Hair Graying in the Egyptian Population
Low iron levels are linked to premature graying of hair, but vitamin D levels are not.
research Central Trichoptilosis With Onycholysis
Hair splitting and nail detachment are linked conditions.
research Colored Dots on Trichoscopy—Beware of Artifacts
Some hair products can create false signs on scalp examinations, leading to wrong diagnoses.
research Adverse Effects of Hair Care Products Among Users
Hair care products can cause skin irritation and allergies.
research Scalp
The scalp is usually protected from dermatitis but can react to hair products, especially tea tree oil and Minoxidil.