research Reduction Mechanism of L-Cysteine on Keratin Fibers Using Microspectrophotometry and Raman Spectroscopy
L-cysteine slows down the breaking of bonds in hair due to electrostatic interactions.
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120-150 / 1000+ results research Liquid Chromatography-Mass Spectrometry Based Isotopic Abundance Ratio Analysis of the Consciousness Energy Healing Treated L-Cysteine
Energy healing treatment improved L-cysteine's stability, solubility, bioavailability, and shelf-life.
research Electron Microscope Studies of Hair and Wool
Hair and wool have complex microscopic structures with microfibrils and varying cystine content.
research Analysis of Heterogeneous Reaction Between Reducing Agents and Keratin Fibers Using Raman Spectroscopy and Microspectrophotometry
The study found that thioglycolic acid breaks down hair bonds more consistently than l-cysteine, which is less damaging to hair.
research Internal Structure Changes in Bleached Black Human Hair Resulting from Chemical Treatments: A Raman Spectroscopic Investigation
Chemical treatments on bleached black hair change its internal structure by breaking and reforming bonds, and treatments with hydrolyzed eggwhite protein help repair it.
research Hair as an Index of Protein Malnutrition
Hair cystine levels may indicate protein malnutrition, but more research is needed.
research Charge Density Alterations in Human Hair Fibers: An Investigation Using Electrostatic Force Microscopy
The study found that a polymer treatment changes the charge on hair surfaces, making bleached hair smoother and less porous.
research Crystalline Cataract and Uncombable Hair Syndrome in a 7-Year-Old Girl
The study found no common cause for a girl's crystalline cataract and uncombable hair, suggesting their co-occurrence might be coincidental.
research Investigation of the Damage on the Outermost Hair Surface Using ToF-SIMS and XPS
Bleaching hair causes significant damage by breaking down proteins and fatty acids.
research Characterization of Transport Systems for Cysteine, Lysine, Alanine, and Leucine in Wool Follicles of Sheep
Sheep wool follicles absorb different amino acids at various rates and locations, which could affect wool growth based on diet and genetics.
research Effect of Disulfide Bonds in Human Hair Fibers on the Melting Behavior of Their Crystalline Structure
Changing disulfide bonds in human hair affects its melting behavior and thermal stability.
research Hair Straightening: Techniques, Chemicals, and Evolution
Hair straightening methods have advanced to improve effectiveness and reduce damage, but still rely on heat and chemicals.
research Acute Selenium Poisoning by Paradise Nuts (Lecythis Ollaria)
Eating paradise nuts led to selenium poisoning, causing nausea, hair loss, and other symptoms in two women.
research Unwanted Facial Hair: Effects and Solutions
Unwanted facial hair significantly impacts over 40% of women's psychological and social well-being, and various treatment options are available.
research Strategies for Improved Hair Binding: Keratin Fractions and the Impact of Cationic Substructures
Certain treatments can increase protein binding to natural hair but are less effective on permed hair.
research Clinical Observation on Acupuncture Treatment of Alopecia Areata
Acupuncture is more effective than medication for treating alopecia areata.
research Copper and Calcium Uptake in Colored Hair
Hair coloring increases copper and calcium uptake, damaging hair and reducing shine.
research The Clinical Effect of Plum Blossom Needle Acupuncture with Qi-Invigorating Superficies-Consolidating Therapy on Seborrheic Alopecia
Plum blossom needle acupuncture with qi-invigorating therapy is more effective for Seborrheic Alopecia than Western medicine.
research Protein And Sulfur Amino Acid Nutrition Of Hair Fiber-Producing Angora And Cashmere Goats
Giving high-quality protein or methionine supplements helps improve hair growth in Angora goats and, to a lesser extent, in Cashmere goats.
research Structural and Molecular Hair Abnormalities in Trichothiodystrophy
TTD hair brittleness is caused by multiple structural abnormalities.
research Uncombable-Hair Syndrome
Four children had unmanageable pale blond hair due to uncombable-hair syndrome.
research A Keratin Fiber Sheath
Hair fibers may have a unique, non-protein sheath not previously identified.
research A Nationwide Outbreak of Alopecia Associated With the Use of a Hair-Relaxing Formulation
A hair-straightening product caused widespread hair loss and scalp injuries, mainly affecting African American women.
research Luxury Hair Fibers for the Fashion Industry
The industry should promote pure luxury hair fibers, improve technology, and diversify products to support growers and ensure sustainable use.
research Conditions Simulating Androgenetic Alopecia
Different hair loss types need accurate diagnosis for proper treatment.
research Pilosebaceous Physiology in Relation to Hirsutism and Acne
Male hormones are important for hair and oil gland development and can cause conditions like excessive hair growth and acne.
research Investigation of Human Hair Fibers Using Lateral Force Microscopy
Hair treatments like bleaching increase friction by exposing tiny pores on the hair surface.
research Two Hypomorphic Alleles of Mouse Ass1 as a New Animal Model of Citrullinemia Type I and Other Hyperammonemic Syndromes
Researchers created a new mouse model for studying Citrullinemia Type I and similar conditions, showing symptoms and treatment responses like those in humans.
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 Abnormal Wool Growth and Alopecia of Artificially Reared Lambs
Lambs fed a liquid diet showed abnormal wool and skin, which improved with more B-vitamins, suggesting a link to B-vitamin deficiency.