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.
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30 / 1000+ results research Inhibition of Polyamine Synthesis Alters Hair Follicle Function and Fiber Composition
Polyamines, especially spermidine, are essential for hair growth.
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 Effect of Disulfide Bonds in Human Hair Fibers on the Melting Behavior of Their Crystalline Structure
Changing disulfide bonds in human hair affects its melting behavior and thermal stability.
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 Investigating the relationship between the hair fiber proteome and hair quality
Hair quality is genetically determined and linked to its composition and strength.
research Impact of Hair Damage on the Penetration Profile of Coconut, Avocado, and Argan Oils into Caucasian Hair Fibers
Different oils affect hair flexibility and strength, with their impact varying on whether hair is virgin or bleached.
research Differences between ultrastructure and protein composition in straight hair fibres
Lustre mutant sheep have normal hair structure and proteins but differ in felting properties.
research Quantifying the effects of repeated dyeing: morphological, mechanical, and chemical changes in human hair fibers
Repeated hair dyeing significantly damages hair.
research Localization of Zinc in a Dense Fiber-Connecting Piece Fraction of Rat Sperm Tails Analogous Chemically to Hair Keratin
Most zinc in rat sperm is in the tail, linked to structures similar to hair keratin.
research IRF2BP2 genes provide new insights into coat type and fiber composition variation in sheep
The IRF2BP2 gene affects sheep fleece quality by influencing fiber traits.
research Human Hair and the Impact of Cosmetic Procedures: A Review on Cleansing and Shape-Modulating Cosmetics
Future hair cosmetics will be safer and more effective.
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 Topical Nanoemulgel: A Novel Pathway for Investigating Alopecia
Nanoemulgel could be a promising new treatment for hair loss.
research The Interaction of Hair Fibers with Alkali Bromide Solutions
Hair absorbs alkali bromide salts and water, affecting its structure, with absorption decreasing at higher temperatures.
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 Fundamental studies on the interaction between moisture and textiles. Part X. Moisture sorption properties of wool and hair fibers.
Wool and hair fibers absorb moisture similarly due to their keratin structure, with the amount of non-crystalline areas affecting the moisture uptake.
research Characterization of curved hair of Japanese women with reference to internal structures and amino acid composition.
Japanese women's curved hair has an uneven internal structure and varying amino acid composition.
research J. Cosmet. Sci., 59, 263–289 (July/August 2008) Characterization of curved hair of Japanese women with reference to internal structures and amino acid composition
Japanese women's curved hair has an uneven internal structure and varied amino acid composition.
research Liquid Chromatography-Mass Spectrometry Applied to The Identification And Quantification Of Animal Hair Fibers In Textile Products
Researchers developed a method to identify and measure different animal hair fibers in textiles, successfully distinguishing materials like cashmere from cheaper fibers.
research Fundamental hair follicle biology and fine fibre production in animals
Hair follicle growth and fiber production in animals are influenced by chemical signals, proteins, pigmentation, genetics, and nutrients.
research Keratin network modifications lead to the mechanical stiffening of the hair follicle fiber
Changes in keratin make hair follicles stiffer.
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 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.
research The Influence of Electrode Potentials on the Extent of Reduction of Cystine in Hair Fibers by Reducing Agents
The effectiveness of reducing agents on hair fibers depends on their electrode potentials.
research The Proteins of Normal and Aberrant Hair Keratins
Hair is mostly made of three protein types: helical, high-sulfur, and high-tyrosine.
research Thermal and mechanical transitions in keratins and their relevance for hair cosmetics
High temperatures and cosmetic processes can damage hair keratin, affecting its structure and strength.
research Hair—the most sophisticated biological composite material
Hair is a complex protein fiber with unique properties useful for developing hair products.
research Deep Hair Phenomics: Implications in Endocrinology, Development, and Aging
A new tool can analyze hair to detect changes due to hormones, genetics, and aging.
research Location of keratin-associated proteins in developing fiber cuticle cells using immunoelectron microscopy
Keratin-associated proteins are part of the developing hair fiber cuticle.