research The effect of treatments on the shear modulus of human hair measured by the single fiber torsion pendulum.
Different treatments change the strength and flexibility of human hair.
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60-90 / 1000+ resultsresearch Standardization of Trichotillometer
Trichotillometry can measure hair plucking force, aiding alopecia treatment evaluation.
research Mechanism research of yak hair stretching slenderization based on the changes of conformation and cell shape
Yak hair stretches mainly due to macromolecules slipping past each other.
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 Monitoring of Wool Stretching Process Using Polarized Second Harmonic Generation
Stretching wool changes its structure and improves fiber alignment.
research Tensile properties of twisted hair fibers
Twisting hair weakens it, but strength can be recovered at low twist levels.
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 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 Torsional behavior of human hair
Water makes hair more flexible, especially the outer layer.
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 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 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 Single Root hair growth under constant force: insights into wall mechanics
Root hair growth slows under force, confirming a model of cell wall mechanics.
research Application of single hair fibre tensile measurements to create an industry‐standard heat damage scale for hair
A new 6-point scale reliably measures heat damage to hair from styling tools.
research Nanomechanical characterization of human hair using nanoindentation and SEM
Human hair's strength and flexibility vary by ethnicity, damage, and treatment.
research Fractography of human hair
Moisture content significantly affects how human hair breaks.
research Hair Mechanical Properties Depending On Age And Origin
Hair properties vary with age and ethnic origin.
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 [A longitudinal elasticity study of hair from the human head in forensic medicine].
The method effectively measures hair elasticity and could be useful in forensics.
research Morphological analyses in fragility of pili torti with Björnstad syndrome
Pili torti hair is fragile due to loose keratin filaments and weak disulfide bonds.
research X-rays studies of the structure of hair, wool, and related fibres. II. - The molecular structure and elastic properties of hair keratin
Stretched hair has a similar structure to natural silk, showing hair's elasticity involves reversible changes within its molecules.
research Effect of oil application, age, diet, and pigmentation on the tensile strength and breaking point of hair
Children's hair is more elastic, but tensile strength is similar across different factors.
research TENSILE STRENGTH OF SCALP HAIR IN WOMEN WITH HAIR LOSS
Women with hair loss have weaker hair that breaks more easily.
research 877 Integration of magnetic tweezers and traction force microscopy for exploring the mechanobiology of keratinocyte cell-cell and cell-matrix anchoring junctions
The conclusion is that a new method combining magnetic tweezers and traction force microscopy may help understand skin cell interactions and diseases.
research Experimental Methods
Human hair's structure and properties were studied using advanced microscopes and mechanical tests.
research Pan-tissue scaling of stiffness versus fibrillar collagen reflects contractility-driven strain that inhibits fibril degradation
Tissue stiffness is influenced by contractility, which suppresses collagen breakdown.
research Disulfide Cross-Linked Network Structure of Intermediate Filament and Matrix in Hair and Wool Cortices
Hair and wool strength is affected by the number and type of bonds in their protein structures, with hair having more protein aggregates than wool.
research A Highly Sensitive MEMS Silicon-Hair Device Reproducing the Function of Hair Follicle
A new device mimics hair follicle functions and detects tiny forces with high sensitivity.
research Update on detection, morphology and fragility in pili annulati in three kindreds
Careful light microscopy is crucial for detecting mild cases of pili annulati, which weakens hair and varies widely in expression.
research The trichotillometry: a technique for hair assessment
Trichotillometry is a reliable method to measure hair strength and assess hair loss treatments.