research A Comparative Clinical and Histologic Study of Hair Transplantation Using Er:YAG, Er:YAG/CO2, and Standard Punch Techniques
The 5 W CO2 laser addition improved hemostasis without harming hair growth or causing damage.
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research Hair-on-hair static friction coefficient can be determined by tying a knot
Tying a knot can measure hair friction, useful for medical applications.
research In situ tensile deformation characterization of human hair with atomic force microscopy
AFM helped show how hair changes under tension and the effects of damage and conditioner.
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 In-Situ Tensile Testing of Hair Fibers in An Environmental Scanning Electron Microscope (ESEM)
Hair fibers break by cuticle cell slipping, shape changing, cuticle fraying, and surface cracking when stretched under specific conditions.
research Mechanical properties characterization of human hair fibers cortex region by multiparametric Atomic Force Microscopy mapping
The active ingredient improves the strength of damaged hair fibers.
research Assessment of styling performance in hair gels and hair sprays by means of a new two-point stiffness test.
The new stiffness test works well for gels but not for sprays.
research OPTIMIZATION OF COMPRESSIVE STRENGTH OF CONCRETE WITH PIG-HAIR FIBERS AS FIBER REINFORCEMENT AND GREEN MUSSEL SHELLS AS PARTIAL CEMENT SUBSTITUTE
Adding pig-hair fibers and green mussel shells to concrete can make it stronger.
research Development of a three‐point cantilever bending technique to study the mechanical properties of hair styling ingredients
The technique helps measure how hair styling ingredients affect hair's stiffness and flexibility.
research Effect of a keratin coupling agent on the mechanical properties of a bovine hair-thermoplastic starch composite
Adding keratin to a mix of cow hair and plant-based plastic makes it stronger.
research Hair-on-hair static friction coefficient can be determined by tying a knot B Biointerfaces
Treating hair with 1M sodium hydroxide increases its friction, making it better for small medical knots.
research Improving Tensile Properties of Hair with a Natural Moisturizer
A natural moisturizer can make hair stronger.
research Nanoindentation of Hair Cortex and Medulla Regions
research Hair resistance to mechanical wear
Hair's resistance to wear varies by ethnicity and treatment, with less wear indicating stronger hair.
research Characterization of the mechanical properties of the cortex region of human hair fibers by multiparametric Atomic Force Microscopy mapping
Atomic Force Microscopy is a more accurate way to assess hair damage and the effect of cosmetic treatments.
research A Standardized In Vitro Framework for Evaluating Hair Care Products: Hair Parameters and Efficacy Performance
The test product improved hair strength, shine, volume, and reduced frizz compared to no improvements in the control group.
research Standardization of Trichotillometer
Trichotillometry can measure hair plucking force, aiding alopecia treatment evaluation.
research Analysis of slenderizing human hair fibers surface morphology
research The Aqualon SLT: A novel device for measuring hair stiffness and lubricity
The Aqualon SLT device measures hair stiffness and slipperiness to evaluate hair treatments.
research A Study of Aggregation Structures and Tensile Properties of Hair Fibers
research Towards a Better Physical Understanding of Human Hair : Development of Fiber Tribology-Methods at the Micro- and Nanoscale
Polyquaternium-87 reduces hair friction the most among tested polymers.
research Penetration of different molecular weight hydrolysed keratins into hair fibres and their effects on the physical properties of textured hair
Different sizes of keratin peptides can strengthen hair, with smaller ones possibly increasing volume and larger ones repairing damage.
research CosmeticPotential of a Structural Protein CopolymerBased on Silk, Elastin, and Keratin
SELP::KP improves hair strength, elasticity, and health, making it a promising hair cosmetic.
research Reimagining Hair Science: A New Approach to Classify Curly Hair Phenotypes via New Quantitative Geometrical & Structural Mechanical Parameters
New methods to classify curly hair types were developed based on shape and strength.
research Analysis of structural changes in permanent waved human hair using Raman spectroscopy
Permanent waving weakens hair by altering its protein structure.
research Changes in the mechanical properties of human hair under various conditions
Hair coloring and chlorine change hair strength differently.
research Pulling force deforms hair follicle root sheath nuclei and surrounding dermal collagen matrix differently at infundibulum, isthmus and suprabulbar regions
Hair follicles respond differently to pulling forces in various regions.
research Biomechanical properties of scalp flaps and their correlations to reconstructive and aesthetic surgery procedures
Scalp flaps are stiffer than skin from other body areas, which helps in planning reconstructive and cosmetic head surgeries.
research Label-free proteomics to identify keratins and keratin-associated proteins and their effects on the fleece traits of Inner Mongolia Cashmere Goats
Proteins influence the quality and traits of cashmere goat fleece, affecting hair strength and diameter.
research Fracture in Hierarchical Biomaterials: Human Hair
Human hair's structure makes it tough and resistant to breaking.