research Understanding Curly Hair Mechanics: Fiber Strength
Curly hair is mechanically different from straight hair and may need new testing methods.
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research A 6-Month, Prospective, Multi-arm Study for the Efficacy of Standardized Nutraceuticals to Improve Hair Fiber Thickness and Strength
Nutrafol® nutraceuticals improve hair thickness and strength.
research Comments on ‘Strength and Deformation Behavior of Fine-Grained Soils Reinforced with Hair Fibers and Its Application in Pavement Design’ by Ayothiraman et al. [Journal of Natural Fibers, DOI: 10.1080/15440478.2021.1954129]
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 An Innovative Method of Improving Subgrade Strength of Soft Soil Using Human Hair Fibers as Reinforcement
Adding human hair fibers to soft soil makes it stronger and prevents cracking.
research Fiber-Safe Extraction of Red Mordant Dyes from Hair Fibers
Researchers developed a less damaging way to extract red dyes from wool using EDTA and DMF, preserving the fiber's strength for further analysis.
research Effect of Temperature and Humidity on Mechanical Properties of Rabbit Hair Fibers
Higher temperatures improve rabbit hair strength up to 50°C, but moisture weakens it.
research Effect of Waste Human Hair Fibers on Shear Behavior of Sand in Dry and Saturated Conditions
Adding human hair to sand improves its strength when dry and maintains strength when wet.
research Cyclic combing of untreated and bleached human hair: Analysis of the time‐dependent breakage of hair through recording the formation of fibre fragments
Friction causes hair breakage during combing, and fragment count predicts hair strength.
research How different is human hair? A critical appraisal of the reported differences in 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 Systems Approach to Human Hair Fibers: Interdependence Between Physical, Mechanical, Biochemical and Geometric Properties of Natural Healthy Hair
Hair properties are interconnected; a comprehensive, cross-disciplinary approach is essential for understanding hair behavior.
research Photoageing of Hair Fiber and Photoprotection
Sunlight damages hair, causing cuticle loss, protein changes, and discoloration.
research Single hair fiber assessment techniques to discriminate between mineral oil and coconut oil effect on hair physical properties
Coconut oil makes hair stronger and more flexible than mineral oil.
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 Hyaluronic acid: elucidating its penetration into, and effect on hair fibers using confocal Raman spectroscopy and biometric techniques
Hyaluronic acid in shampoo penetrated hair well, reduced frizz, and improved hair strength and moisture.
research Understanding the Effect on Hair Fibers of Coloring and Bleaching Formulations Using High Pressure Differential Scanning Calorimetry (HPDSC)
Hair coloring and bleaching can permanently break down hair protein and temporarily change its properties.
research Gray Hair and Hair Strengthening: A Professional Guide for Hairdressers and Colorists
Gray hair requires special coloring techniques and care to maintain quality and strength.
research Quantifying the effects of repeated dyeing: morphological, mechanical, and chemical changes in human hair fibers
Repeated hair dyeing significantly damages hair.
research Wear characteristics of epoxy based hybrid composites reinforced with short hair fibers and glass micro spheres
Adding human hair fibers and glass micro-spheres to epoxy improves its wear resistance and strength.
research Dilated human hair fiber after exposure to flames for 'split ends' cutting.
The Brazilian candle flame technique can damage hair by melting the cuticle and exposing the cortex.
research Tensile properties of twisted hair fibers
Twisting hair weakens it, but strength can be recovered at low twist levels.
research Science and Technology of Hair Fibers
The document concludes that understanding hair's composition and the effects of treatments can lead to better hair care products.
research Impact of acid straightener's pH value in the hair fiber properties
Lower pH straighteners change hair more but weaken it.
research Impact of acid (”progressive brush”) and alkaline straightening on the hair fiber: Differential effects on the cuticle and cortex properties
Glyoxylic acid straighteners cause more protein loss but have similar hair strength effects as traditional alkaline straighteners.
research An Innovative Experimental Petrographic Study of Concrete Produced by Animal Bones and Human Hair Fibers
Concrete made from animal bones and human hair is stronger and more environmentally friendly than traditional concrete.
research 285 A new scalp treatment for anti-ageing hair
The new scalp treatment preserves hair color, reduces hair loss, and maintains hair strength.
research Seasonal changes in the morphology of wool follicles in Finewool and Strongwool Merino strains grazing at different stocking rates in southern Australia
Stocking rate affects wool follicle inactivity, not Merino strain.
research Exogenous and endogenous lipids of human hair
Removing external lipids from hair reduces moisture and increases strength, while removing internal lipids decreases water permeability.
research Assessment of hair and cashmere properties and their genetic background of several goat breeds in Southwest China
Crossbreeding improves goat fiber quality, and specific genes affect hair traits and color.
research Water-Soluble Polymers in Hair Care
Alkaline hair relaxers damage hair, but cationic and non-ionic polymers can help reduce this damage.