research The Proteomic Profile of Hair Damage
Bleaching hair damages protein structure, especially keratin, leading to weakened hair.
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research Is Thyrotropin-Releasing Hormone a Novel Neuroendocrine Modulator of Keratin Expression in Human Skin?
Thyrotropin-releasing hormone may help control skin and hair growth and could aid in treating related disorders.
research Single-Cell Transcriptomics Reveals Lineage Trajectory of Human Scalp Hair Follicle and Informs Mechanisms of Hair Graying
The study found new details about human hair growth and suggests that preventing a specific biological pathway could potentially treat hair graying.
research Recent Advances in the Characterization of Hair of Mummies from the Chilean Andean Coast
The hair of two ancient Chilean mummies is well-preserved and contains high levels of heavy metals.
research Lipid Losses and Barrier Function Modifications of the Brown-to-White Hair Transition
White hair has less lipid content and absorbs water differently than brown hair.
research Changing the Shape of Hair with Keratin Peptides
Keratin peptides can change hair shape gently without harsh chemicals.
research Analysis of Structural Change in Keratin Fibers Resulting from Chemical Treatments Using Raman Spectroscopy
Chemical hair straightening changes hair proteins and mostly fixes broken bonds.
research The Cell Membrane Complex: Three Related but Different Cellular Cohesion Components of Mammalian Hair Fibers
The cell membrane complex in mammalian hair has three distinct types with different structures and chemical properties.
research Scanning Electron Microscope Evaluation of Hair Dye Effects on the Cuticle Cells of Canine Hair
Hair dye can damage dog hair and cause health issues.
research Facile and Efficient Enzymatic Methods for Harvesting or Removal of Cuticle Cells from Human Hair Shafts
The conclusion is that new methods for isolating hair cuticle cells and removing the cuticle layer are effective and convenient.
research Analysis of DNA in Hair Fibers
Small amounts of DNA can be found in the hair shaft, especially near the root, but it decreases with hair treatments and washing.
research Chemical And Physical Treatments Damage Caucasian And Afro-Ethnic Hair Fibre: Analytical And Image Assays
Chemical and physical treatments like bleaching, dyeing, and UV radiation damage both Caucasian and Afro-ethnic hair.
research Expression of Novel Keratin-Associated Protein 5 Genes in the Cuticle Layer of Human Hair Follicles
The study found nine new hair protein genes in human hair follicles.
research Comparison of Damage to Human Hair Fibers Caused by Monoethanolamine- and Ammonia-Based Hair Colorants
Monoethanolamine-based hair colorants can cause more damage to hair than ammonia-based ones.
research Chronological Aging of Human Hair Keratin Fibers
Hair ages as the cuticle wears down, especially beyond 1 meter from the root, affecting its strength and shine.
research Hard X-Ray Microscopic Images of the Human Hair
High-resolution x-ray images showed three main structures in human hair: medulla, cortex, and cuticle.
research The Structural Implications of Water Hardness Metal Uptake by Human Hair
Human hair absorbs calcium and magnesium from tap water, affecting its structure and styling properties.
research Hair Styling: Technology and Formulations
Hair styling products and tools help improve hair's look and manageability but can damage hair if used incorrectly.
research Structural Investigation on Damaged Hair Keratin Treated with α,β-Unsaturated Michael Acceptors Used as Repairing Agents
Treatments improved hair surface and scale structure but didn't increase certain bonds in the hair cortex.
research Runx1 Transcription Factor Is Involved in the Regulation of KAP5 Gene Expression in Human Hair Follicles
Runx1 helps control the KAP5 gene in human hair follicles.
research Adhesion Failure of External Hair Cuticles Caused by Prussian Blue: Possible Electrochemical Roles of Sulfur and Cystine
Prussian Blue causes hair cuticles to detach, weakening the hair.
research Evaluation of Cysteic Acid in Bleached Hair Using Infrared Spectroscopy
Bleaching hair increases cysteic acid levels in a predictable way.
research Effectiveness of Luliconazole vs Ketoconazole Topical Formulation in Reversing Damaged Hair Cuticle
Luliconazole is more effective than ketoconazole at repairing damaged hair cuticles.
research Age-Dependent Changes in Damage Processes of Hair Cuticle
Older people's hair cuticles get more easily damaged and lose protective oils, especially in their 40s and 50s.
research Raman Spectroscopic Analysis of L-Phenylalanine and Hydrolyzed Eggwhite Protein Penetration into Keratin Fibers
L-phenylalanine and hydrolyzed eggwhite protein deeply penetrate human hair.
research Physical Properties of Human Hair: Evaluation of Bending Stress by Measuring the Major and Minor Axis of Human Hair
The cuticle significantly contributes to hair stiffness, making up about 60% of the total bending stress.
research Critical Study of Hair Growth Analysis with Computer-Assisted Methods
The Trichoscan system was found to be inaccurate for measuring hair growth, needing better software to be useful.
research Application of XANES Profiles to X-Ray Spectromicroscopy for Biomedical Specimens: Part II. Mapping Oxidation State of Cysteine in Human Hair
Perming and bleaching damage hair differently, with bleached hair having more cysteic acid in the cuticle.
research Pili Annulati with Multiple Fragile Hairs
Frequent hairdryer use may worsen hair fragility in people with Pili Annulati.
research The Effect of Intermediate Treatment Using Natural Polyphenol Cross-Linker on Perming Efficiency and Hair Protection
Using natural polyphenol cross-linkers like tannic acid and green tea extract in perm treatments improves curling and protects hair.