research Chronological ageing of human hair keratin fibres
Hair ages as the cuticle wears down, especially beyond 1 meter from the root, affecting its strength and shine.
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60-90 / 1000+ resultsresearch Sequence and Expression of Murine Type I Hair Keratins mHa2 and mHa3
mHa2 and mHa3 keratins have different structures and roles in mouse hair and tongue tissues.
research Analysis of structural changes in permanent waved human hair using Raman spectroscopy
Permanent waving weakens hair by altering its protein structure.
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.
research Nanotechnology-Based Cosmetics for Hair Care
Nanotechnology improves hair care products by enhancing ingredient stability, targeting treatment, and reducing side effects, but more research on its toxicity is needed.
research Compartmentation of Mitochondrial and Oxidative Metabolism in Growing Hair Follicles: A Ring of Fire
Growing hair follicles have high mitochondrial activity and ROS in specific regions, aiding hair formation.
research Time and depth resolved visualisation of the diffusion of a lipophilic dye into the hair follicle of fresh unfixed human scalp skin
The dye quickly penetrates hair follicles, mainly through the gap, not the surrounding skin.
research Evidence for various calcium sites in human hair shaft revealed by sub-micrometer X-ray fluorescence
The research found two types of calcium in human hair, one that varies among individuals and another that is consistent across people.
research Abnormal inner root sheath of the hair follicle in the loose anagen hair syndrome: An ultrastructural study
Loose anagen hair syndrome is caused by structural abnormalities in the hair follicle's inner root sheath.
research Significant damage of the skin and hair following hair bleaching
Hair bleaching causes significant damage to hair and skin.
research The physical and chemical disruption of human hair after bleaching – studies by transmission electron microscopy and redox proteomics
Bleaching hair causes severe structural and chemical damage, including protein loss and oxidation.
research Exploring a biological tissue from atomic to macroscopic scale using synchrotron radiation: example of hair.
Hair has unevenly distributed proteins and lipids, with lipids mainly in the cuticle and proteins in the cortex and medulla.
research The effect of various cosmetic pretreatments on protecting hair from thermal damage by hot flat ironing.
Polymeric pretreatments can significantly reduce hair breakage and damage from hot flat irons.
research Variation in human hair ultrastructure among three biogeographic populations
Different populations have distinct hair structures related to their ancestry.
research Photochemical alterations in human hair. I. Artificial irradiation and investigations of hair proteins
Melanin in black hair protects it from sun damage better than light-brown hair.
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 Study of normal hair and of some malformations with a scanning electron microscope
Hair malformations may occur due to timing issues in hair development.
research The Proteins of Normal and Aberrant Hair Keratins
Hair is mostly made of three protein types: helical, high-sulfur, and high-tyrosine.
research μ-Crystallin, Thyroid Hormone-binding Protein, is Expressed Abundantly in the Murine Inner Root Sheath Cells
μ-Crystallin may help hair growth by affecting thyroid hormone levels in mouse hair follicles.
research The structure of hair and follicles of mice carrying the naked (N) gene
Mice with the naked gene have missing or abnormal hair cells.
research Influence of Oxidative and/or Reductive Treatment on Human Hair (I): Analysis of Hair-Damage after Oxidative and/or Reductive Treatment
Chemical treatments and daily stresses damage hair, especially the cuticle layer.
research Attenuated Total Reflection Fourier Transform Infrared Spectroscopy Analysis of Human Hair Fiber Structure
Human hair has different protein structures in its cuticle and cortex.
research A STUDY OF THE DIFFERENTIATION PRODUCTS OF THE HAIR FOLLICLE CELLS WITH THE ELECTRON MICROSCOPE.
Hair follicle cells become four types: medulla, cortex, cuticle, and inner root sheath.
research Chapter 4 Cytomechanics of Hair
Hair's strength and flexibility come from its protein structure and molecular interactions.
research Distribution of Glycolipid and Unsaturated Fatty Acids in Human Hair
Human hair has more unsaturated fats inside than on the surface, and certain lipids may help bind the outer and inner layers together.
research Morphology and ultrastructure of antler velvet hair and body hair from red deer (Cervus elaphus)
Antler velvet hair and body hair of red deer have different structures that help with protection and insulation.
research Photoageing of Hair Fiber and Photoprotection
Sunlight damages hair, causing cuticle loss, protein changes, and discoloration.
research Hair Morphology in Androgenetic Alopecia
Abnormal cuticle and hair shaft medulla cause hair loss in androgenetic alopecia; sonography helps diagnose and manage it.
research Perspectives on Hair Evolution Based on Some Comparative Studies on Vertebrate Cornification
Hair in mammals likely evolved from glandular structures, not scales.
research Investigation of hair shaft in seborrheic dermatitis using atomic force microscopy
Hair from people with seborrheic dermatitis is thicker scaled, more damaged, and thinner than healthy hair, and atomic force microscopy can help monitor the condition.