research Investigation of Hair Dye Deposition, Hair Color Loss, and Hair Damage During Multiple Oxidative Dyeing and Shampooing Cycles
Repeated dyeing and shampooing cause hair color loss and damage.
Search
for
Sort by
Research
60-90 / 1000+ results
research Segmental Hair Analysis as a Retrospective Testosterone Diary: Possibilities and Pitfalls
Segmental hair analysis can track testosterone over time but needs adjustments for sex, hair color, and washing frequency.
research Impact of Acid Straightener's pH Value on Hair Fiber Properties
Lower pH straighteners change hair more but weaken it.
research Effects of Ultraviolet B Radiation on Physicochemical Properties of Human Hair Shaft
UVB radiation changes the chemical makeup and dries out human hair but doesn't alter its appearance or texture.
research A Comparative Study of Skin Transcriptomes and Histological Observations for Black and White Hair Colors of Giant Panda
The study found that giant pandas have more melanin in black hair follicles than white, with gene expression differences that could affect hair color and skin health.
research Disorders of the Hair and Nails
The document reviews various hair and nail disorders, their causes, and treatments, emphasizing the need for proper diagnosis and the link between nail changes and systemic diseases.
research Safety of Low-Dose Oral Minoxidil Treatment for Hair Loss: A Systematic Review and Pooled Analysis of Individual Patient Data
Low-dose oral minoxidil is a safe treatment for hair loss, with the main side effect being excessive hair growth. Other side effects like foot swelling, low blood pressure when standing, and heart rate changes are rare.
research Hair Loss in Psychopharmacology
Some psychiatric medications can cause hair loss, but it usually grows back after adjusting the medication.
research About Photo-Damage of Human Hair
We don't fully understand how sunlight damages different types of hair.
research In Vitro Methodologies to Evaluate the Effects of Hair Care Products on Hair Fiber
Different tests are used to see how hair care products affect hair, and choosing the right test is important for accurate results.
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 Predicting Human Appearance from DNA for Forensic Investigations
DNA can predict physical traits like eye and hair color accurately, especially in Europeans, but predicting other traits and in diverse populations needs more research.
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 Exogenous Factors in Hair Disorders
Outside factors like grooming, chemicals, and the environment can damage hair and cause disorders.
research Melatonin and the Hair Follicle
Melatonin helps regulate hair growth and protects the hair follicle from stress.
research Spectroscopy as a Tool to Evaluate Hair Damage and Protection
Chamomile extract can protect hair from damage caused by light.
research Structural Analysis of Human Hair Fibers Under the Ultra-High Voltage Electron Microscope
Human hair structure varies by ethnicity, and certain treatments can improve hair condition and appearance.
research Tensile Properties of Twisted Hair Fibers
Twisting hair weakens it, but strength can be recovered at low twist levels.
research The Herbal Hue: Formulation and Evaluation of Herbal Hair Dye
The herbal hair dye with natural ingredients like henna was successfully made and tested, but more research is needed on its effectiveness on different hair colors and benefits.
research Diffuse Hair Loss: Causes, Diagnosis, and Treatment
Hair loss that spreads out can often fix itself or be treated by finding and handling the cause.
research Parathyroid Hormone Linked to a Collagen Binding Domain Promotes Hair Growth in a Mouse Model of Chemotherapy-Induced Alopecia in a Dose-Dependent Manner
A hormone linked to collagen helps hair grow back in mice after chemotherapy, and may also prevent bone loss.
research Clinical Signs of Hair Damage
Hair damage shows as fragility, dullness, and discoloration, varies by ethnicity, and is worsened by cosmetic procedures and diseases.
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 Oxidative Modification in Human Hair: The Effect of the Levels of Cu (II) Ions, UV Exposure and Hair Pigmentation
Reducing copper (II) ion levels in hair can decrease hair damage.
research How Different Is Human Hair? A Critical Appraisal of Global Hair Fibre Characteristics and Properties Towards Defining a More Relevant Framework for Hair Type Classification
Human hair varies widely and should be classified by curl type rather than race.
research Revisiting the Role of Melatonin in Human Melanocyte Physiology: A Skin Context Perspective
Melatonin affects skin and hair color and protects skin cells, with potential benefits for hair growth and skin health.
research Treatment and Prevention of Chemotherapy-Induced Alopecia with PTH-CBD, a Collagen-Targeted Parathyroid Hormone Analog, in a Non-Depilated Mouse Model
PTH-CBD could help prevent and treat hair loss caused by chemotherapy in mice.
research Comparison of Quality Performance of Human Hair Types with Herbal Oils by Analysis Techniques
Grape seed oil improved hair quality the most, followed by rosehip and safflower seed oils, and reduced damage from shampoo.
research Hair
Hair analysis can detect drug use but is costly and interpretation is complex.
research Spontaneous Quick Resolution of Uncombable Hair Syndrome-Like Disease
A boy's hair that was frizzy and hard to comb returned to normal after 9 months, possibly due to genetic factors.