research Lipid Losses and Barrier Function Modifications of the Brown-to-White Hair Transition
White hair has less lipid content and absorbs water differently than brown hair.
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30 / 65 results research Discrete Nanoscale Distribution of Hair Lipids Fails to Provide Humidity Resistance
Hair lipids do not protect against humidity.
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 Human Hair as a Testing Substrate in the Era of Precision Medicine: Potential Role of Omics-Based Approaches
Human hair shows promise for non-invasive medical testing, but more research is needed to standardize its use.
research Multidimensional Profiling of Human Body Hairs Using Qualitative and Semi-Quantitative Approaches with SR-XRF, ATR-FTIR, DSC, and SEM-EDX
Body hairs can be used in forensic science and toxicology like scalp hair.
research Omics for Precious Rare Biosamples: Characterization of Ancient Human Hair by a Proteomic Approach
The study developed a method to analyze ancient hair proteins using very small samples.
research Keratin Network Modifications Lead to the Mechanical Stiffening of the Hair Follicle Fiber
Changes in keratin make hair follicles stiffer.
research External Lipid Function in Ethnic Hairs
African hair has the most lipids, while Caucasian hair is more hydrated and stronger.
research Minoxidil Nanosuspension-Loaded Dissolved Microneedles for Hair Regrowth
New microneedle method improves hair regrowth treatment delivery.
research Analysis of Lipids in the Medulla of Japanese Hair and Their Function
Lipids in Japanese hair help maintain glossiness and structure.
research Hair Lipid Structure: Effect of Surfactants
Surfactants in shampoos and conditioners remove some but not all lipids from hair, and more research is needed to understand their full impact.
research Bleached Hair as a Standard Template to Evaluate the Performance of Commercial Hair Repair Products
K18® and Olaplex® both effectively repair bleached hair, improving its strength, smoothness, and overall health.
research Quantifying the Effects of Repeated Dyeing: Morphological, Mechanical, and Chemical Changes in Human Hair Fibers
Repeated hair dyeing significantly damages hair.
research Examining Polyquaternium Polymers Deposition on Human Excised Hair Fibers
Certain polymers can stick to hair and increase volume, working best at a pH of 7 to 9.
research Penetration of Drugs Through Skin: A Complex Rate-Controlling Membrane
The skin is a complex barrier for drug penetration, but understanding its structure and interactions can improve drug delivery methods.
research A Review on Forensic Toxicological Analysis of Drugs in Hair Using Various Instrumental Techniques
Hair analysis is better than urine and blood for detecting past drug use.
research Measuring Changes in Chemistry, Composition, and Molecular Structure Within Hair Fibers by Infrared and Raman Spectroscopic Imaging
Infrared and Raman imaging can non-destructively analyze hair structure and help diagnose hair conditions.
research Strain and Strain Recovery of Human Hair from the Nano- to the Macroscale
Human hair can almost fully recover its structure within about 1,000 minutes after being stretched.
research Interactions Between Damaged Hair Keratin and Juglone as a Possible Restoring Agent: A Vibrational and Scanning Electron Microscopy Study
Juglone from walnut extracts may help repair damaged hair.
research Observations of Root Hair Patterning in Soils: Insights from Synchrotron-Based X-Ray Computed Microtomography
Root hairs in maize grow mainly in air-filled pores, limiting their role in nutrient uptake and plant anchorage.
research The Reduction of Selenium(IV) by Boreal Pseudomonas sp. Strain T5-6-I – Effects on Selenium(IV) Uptake in Brassica oleracea
Pseudomonas sp. T5-6-I bacteria increase selenium uptake in Brassica oleracea plants by 130%.
research Addressing an Antiferromagnetic Memory
Researchers developed a new type of memory using antiferromagnets that is stable, not disrupted by magnets, and works at room temperature.
research Keratin K15 as a Biomarker of Epidermal Stem Cells
Keratin 15 is not a reliable sole marker for identifying epidermal stem cells because it's found in various cell types.
research Identification of Breast Cancer-Associated Lipids in Scalp Hair
Breast cancer may be detectable through changes in scalp hair lipids.
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 Inhibition of Human Steroid 5β-Reductase (AKR1D1) by Finasteride and Structure of the Enzyme-Inhibitor Complex
Finasteride helps treat hair loss and prostate enlargement by blocking a specific enzyme.
research The Structure of the Amorphous Matrix of Keratins
Human hair keratin fibers have a detailed nano-scale structure that changes with different conditions.
research High-Resolution Structures of Mutants Affecting Access to the Ligand-Binding Cavity of Human Lipocalin-Type Prostaglandin D Synthase
Mutations in the enzyme don't significantly change how it binds to its specific substances.
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 Evaluation of Cysteic Acid in Bleached Hair Using Infrared Spectroscopy
Bleaching hair increases cysteic acid levels in a predictable way.