research Copper and calcium uptake in colored hair
Hair coloring increases copper and calcium uptake, damaging hair and reducing shine.
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research Lipid loses and barrier function modifications of the brown‐to‐white hair transition
White hair has less lipid content and absorbs water differently than brown hair.
research Hair Mechanical Properties Depending On Age And Origin
Hair properties vary with age and ethnic origin.
research Understanding breakage in curly hair
Curly hair breaks due to mechanical damage and environmental factors, not chemical makeup, and needs ongoing care to prevent breakage.
research Pattern of expression of c-Myc, Max and Bin1 in human anagen hair follicles
c-Myc, Max, and Bin1 help hair follicle cells mature and die.
research Qualitative investigation of fresh human scalp hair with full-field optical coherence tomography
Melanin density affects hair color, and this method can help in cosmetic assessments and diagnosing hair diseases.
research Physical Properties of Human Hair. 1. Evaluation of Bending Stress by Measuring the Major and the Minor Axis of Human Hair.
The cuticle significantly contributes to hair stiffness, making up about 60% of the total bending stress.
research Elucidating penetration pathways into the hair fiber using novel microscopic techniques.
The conclusion is that substances can penetrate hair fibers through multiple pathways, including both the cell membrane complex and the non-keratinous parts.
research Copper in Green Hair: A Quantitative Investigation by Electron Probe X-Ray Microanalysis
Green hair has high copper levels due to contaminated water and damaged hair cuticles.
research Structure of intermediate filament assembly in hair deduced from hydration studies using small-angle neutron scattering
Hair's internal fibers are arranged in a pattern that doesn't let much water in, and treatments like oils and heat change how much water hair can absorb.
research Localization of S100A2, S100A4, S100A6, S100A7, and S100P in the human hair follicle.
Different S100 proteins have specific roles in various parts of the hair follicle.
research Torsional method for evaluating hair damage and performance of hair care ingredients
The torsional method effectively evaluates hair damage and the performance of hair care ingredients.
research Why Mammal Body Hair Is an Evolutionary Enigma
The evolution of mammal body hair remains a mystery.
research Ultrastructural localization of hair keratins, high sulfur keratin-associated proteins and sulfhydryl oxidase in the human hair
Hair proteins change location and structure as hair cells mature.
research Application of XANES profiles to X-ray spectromicroscopy for biomedical specimens: Part II. Mapping oxidation state of cysteine in human hair
Perming and bleaching damage hair differently, with bleached hair having more cysteic acid in the cuticle.
research A systematic review on the lipid composition of human hair
Lipids are crucial for healthy hair, protecting it from damage and breakage.
research Distribution Analysis of Triglyceride Having Repair Effect on Damaged Human Hair by TOF-SIMS
Hydrogenated palm oil repairs and conditions damaged hair by preventing swelling.
research Scanning Electron Microscopy Approach for Evaluation of Hair Dyed with Lawsonia inermis Powder: in vitro Study
Henna dye improves hair cuticle and thickness but effects vary by hair type and health.
research Preparation of Water Soluble Wool Keratin and Its Application for Human Hair
Water-soluble wool keratin can protect human hair from damage during treatments.
research Evidence for calcium soaps in human hair shaft revealed by sub-micrometer X-ray fluorescence
Calcium soaps are present in human hair and can be removed with acid.
research Photodegradation of human hair: a microscopy study
UV radiation significantly damages hair, especially with humidity, making it more vulnerable to further damage.
research Effects of silicone pretreatment on oxidative hair damage
Silicone pretreatment protects hair from damage and reduces color fading without interfering with bleaching or dyeing.
research Multimodal Evidence of Mesostructured Calcium Fatty Acid Deposits in Human Hair and Their Role on Hair Properties
Calcium fatty acid deposits found in human hair can change its appearance and feel.
research Keratin
Understanding how keratin structures in hair are arranged and interact is key for creating methods to extract and purify them.
research Analysis of DNA in hair fibers.
Small amounts of DNA can be found in the hair shaft, especially near the root, but it decreases with hair treatments and washing.
research Cotton honeydew (Gossypium hirsutum L.) extract offers very interesting properties for hair cosmetics and care products.
Cotton honeydew extract improves hair smoothness and reduces damage.
research Structural investigation on damaged hair keratin treated with α,β-unsaturated Michael acceptors used as repairing agents
Treatments improved hair surface and scale structure but didn't increase certain bonds in the hair cortex.
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.
research Evaluation of Changes and Characteristics of Hair According to the Application of the Hair Dryer Plasma Functional Module
Plasma hairdryers cause less hair damage than regular hot air dryers.
research Hair Shaft Morphology, Elemental Composition, and Nanoparticles in Frontal Fibrosing Alopecia: A Case-control Study
Titanium nanoparticles may trigger frontal fibrosing alopecia, so avoid products with them.