research External Lipid Function in Ethnic Hairs
African hair has the most lipids, while Caucasian hair is more hydrated and stronger.
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research A Highly Resistant Structure Between Cuticle and Cortex of Human Hair
A tough membrane between the outer and inner layers of human hair protects it from damage.
research Effect of Shampoo, Conditioner, and Permanent Waving on the Molecular Structure of Human Hair
Perming significantly changes hair's molecular structure, while shampoo and conditioner do not.
research Discrete Nanoscale Distribution of Hair Lipids Fails to Provide Humidity Resistance
Hair lipids do not protect against humidity.
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 of Glycolipid and Unsaturated Fatty Acids in Human Hair
Human hair has more unsaturated fats inside than on the surface, and certain lipids may help bind the outer and inner layers together.
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 Penetration of Cationic Conditioning Compounds into Hair Fibers: A TOF-SIMS Approach
The study found that certain conditioning compounds can penetrate hair and potentially improve its resistance to damage.
research Hair: Overview
The document explains how hair is studied in forensics to identify its source and its role in criminal investigations.
research Perspectives on Hair Evolution Based on Comparative Studies on Vertebrate Cornification
Hair in mammals likely evolved from glandular structures, not scales.
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 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.
research Analysis of Lipids in the Medulla of Japanese Hair and Their Function
Lipids in Japanese hair help maintain glossiness and structure.
research Investigation by Imaging Mass Spectrometry of Biomarker Candidates for Aging in the Hair Cortex
Certain molecules in hair change with age and could be used for cosmetic treatments.
research Characterization of Hair Lipid Images by Argon Sputter Etching-Scanning Electron Microscopy
Hair texture changes with age due to varying levels of lipids.
research Research Progress in Composition, Classification and Influencing Factors of Hair
Lipids are important for healthy hair, but their exact role is not fully understood and needs more research.
research Squarticles as a Nanocarrier for Targeting Minoxidil to Hair Follicles and Dermal Papilla Cells
Squarticles, tiny particles made from sebum-derived lipids, can effectively deliver minoxidil, a hair growth drug, directly to hair follicles and skin cells, with less skin penetration and more tolerability.
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 Perspectives and Challenges of Hair Analysis
Hair is a complex organ, and understanding its detailed structure and growth phases is crucial for analyzing substances within it.
research Methods of Hair Straightening: Temporary and Permanent Techniques
Hair straightening changes hair structure and can cause damage if done wrong, but improvements in the methods are expected to continue.
research Evidence for Various Calcium Sites in Human Hair Shaft Revealed by Sub-Micrometer X-Ray Fluorescence
The research found two types of calcium in human hair, one that varies among individuals and another that is consistent across people.
research The Hair Follicle Enigma
The document concludes that understanding hair follicles requires more research using computational methods and an integrative approach, considering the current limitations in hair treatment products.
research Chapter 4: Cytomechanics of Hair
Hair's strength and flexibility come from its protein structure and molecular interactions.
research Prevention of Lipid Loss from Hair by Surface and Internal Modification
Surface and internal treatments can help prevent hair lipid loss during washing.
research Heat-Damaged Evaluation of Virgin Hair
Heat damages hair, with Asian hair losing more protein than Caucasian hair.
research Microscopical Characterization of Known Postmortem Root Bands Using Light and Scanning Electron Microscopy
The research found that postmortem root bands in hair are likely caused by the breakdown of a specific part of the hair's inner structure after death.
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 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 The Impact of Oxidative Stress on Hair
Oxidative stress damages hair and contributes to aging, and managing it can help maintain hair health.
research A Discourse on Human Hair Fibers and Reflections on the Conservation of Drug Molecules
Hair analysis for drugs needs a better understanding of how drugs enter hair, considering factors like hair structure and pigmentation.