research Charge density alterations in human hair fibers: an investigation using electrostatic force microscopy
The study found that a polymer treatment changes the charge on hair surfaces, making bleached hair smoother and less porous.
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research Cryogelation of human hair keratins
Human hair keratins can be turned into useful 3D biomedical scaffolds through a freeze-thaw process.
research Hair Cosmetics
Hair care products clean, protect, style, color, and change hair structure.
research Learning from hair moisture sorption and hysteresis
Hair moisture behavior helps tell apart different chemical treatments and reveals insights into hair structure.
research Water distribution in human hair microstructure elucidated by spin contrast variation small-angle neutron scattering
The technique showed that human hair has two main parts, with 68% being rigid and the rest flexible, and water swelling affects its structure.
research Observation of different HHK groups with SEM
Different human hair keratin types have unique structures that affect how they dissolve and can be used to create self-tendons.
research Insights on the mechanical behavior of keratin fibrils
Keratin's mechanical properties are influenced by hydrogen bonds and secondary structure, and can be improved with the SPD-2 peptide.
research Prevention of chemically induced hair damage by means of treatment based on proteins and polysaccharides
The treatment with silk proteins and linseed polysaccharides effectively protects and repairs chemically damaged hair.
research Repeatable Perming via Thiol–Michael Click Reaction: Using Amide Derived from Maleic Acid and Cystine
A new perming method is less damaging to hair and works as well as traditional methods.
research Torsional behavior of human hair
Water makes hair more flexible, especially the outer layer.
research Influence of functionalized silicones on hair fiber–fiber interactions and on the relationship with the macroscopic behavior of hair assembly
Functionalized silicones improve hair appearance, combing, and manageability.
research Curly hair: measured differences and contributions to breakage
Curly hair breaks more easily, especially with chemical treatments, but simpler grooming reduces breakage.
research Use of hair products in relation to ovarian cancer risk
Certain hair straighteners and dyes may increase ovarian cancer risk, especially in African American/Black women.
research Effects of Silicone Oil Viscosity on the Physical Structure and Damage Mechanisms of Hair during Permanent Wave Treatment
Silicone oil viscosity affects hair curling and damage during treatments.
research Local structure of human hair spatially resolved by sub-micron X-ray beam
Human hair has a new region with ordered filaments and the cuticle contains β-keratin sheets.
research An ex vivo comparative study of the tensile strengthening efficacy of protein-derived actives on heavily bleached hair
Protein-derived ingredients can help strengthen bleached hair.
research Distribution and Localization of Hydrophobic and Ionic Chemical Groups at the Surface of Bleached Human Hair Fibers
Bleaching hair removes its protective top layer and exposes more hydrophilic groups, changing its chemical surface and affecting how it interacts with products.
research Experimental Methods
Human hair's structure and properties were studied using advanced microscopes and mechanical tests.
research Analysis on the Application of Polyamide (PA) materials to Replace Existing Materials in Hair Dryer Housings
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 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 Tribological Properties between Taut Hair Fibers in Wet Conditions: A New Shampoo Formulation for Eliminating Stick‐Slip Friction
Shampoo B, which uses water-soluble silicone, is better at detangling hair in wet conditions due to its two-layer conditioning film.
research Trial Treatment of Androgenetic Alopecia with Oxidizing Agents (Inaba and Inaba 1984)
Lightly perming scalp hair can lead to new hair growth, potentially treating baldness.
research 열전 냉각 기술을 이용한 의료용 온도 제어 냉각 장치 개발
A new cooling device keeps a constant temperature for medical procedures, improving results.
research Sensitive method using protein loss measurements to evaluate chemicalperm damage to human hair restoration by shampoo
Shampoo D is best for fixing perm-damaged hair.
research Hair keratin film as a substitute device for human hair : Application in hair care science
Keratin film can effectively mimic human hair for testing hair damage.
research Chemical relaxers and curlers: Hidden danger
Continuous use of hair relaxers and curlers can cause hair loss, dryness, dandruff, thinning, greying, and split ends.
research Effect of Aspartic Acid Intermediate Treatment on Virgin Hair by Permanent Wave
Aspartic acid at 0.75% makes perms more effective and less damaging to hair.
research Helical twist direction in the macrofibrils of keratin fibres is left handed
Keratin fibers in hair twist left-handed.
research Hair keratin molecular dynamics studies
Simulations of hair keratin help improve disease treatment and cosmetic products.