research Effect of Ethnicity and Treatments on In Situ Tensile Response and Morphological Changes of Human Hair Characterized by Atomic Force Microscopy
Different ethnicities and treatments affect human hair strength and structure.
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research Tight Junction Barriers in Human Hair Follicles – Role of Claudin-1
Claudin-1 is important for the barrier function and growth of hair.
research Interleukin-1β Is Differentially Expressed by Human Dermal Papilla Cells in Response to PKC Activation and Is a Potent Inhibitor of Human Hair Follicle Growth in Organ Culture
IL-1β inhibits human hair follicle growth.
research Paracrine Crosstalk Between Human Hair Follicle Dermal Papilla Cells and Microvascular Endothelial Cells
Cells from the base of hair follicles help blood vessel cells survive and grow, which is important for healthy hair.
research Analysis of Cosmetic Residues on a Single Human Hair by ATR FT-IR Microspectroscopy
Cosmetic residues on individual hairs can be identified and differentiated using ATR FT-IR microspectroscopy.
research Characterization and Chromosomal Localization of Human Hair-Specific Keratin Genes and Comparative Expression During the Hair Growth Cycle
Two specific hair keratin genes are active during hair growth and decline as hair transitions to rest.
research Steroidogenic Isoenzymes in Human Hair and Their Potential Role in Androgenetic Alopecia
Steroidogenic isoenzymes may help improve treatments for common hair loss.
research Tissue Engineering Strategies for Human Hair Follicle Regeneration: How Far From a Hairy Goal?
Fully regenerating human hair follicles not yet achieved.
research Topobiology of Human Pigmentation: P-Cadherin Selectively Stimulates Hair Follicle Melanogenesis
P-cadherin is crucial for hair follicle pigmentation but not skin pigmentation.
research Size Polymorphisms in the Human Ultrahigh Sulfur Hair Keratin-Associated Protein 4, KAP4, Gene Family
The study found that variations in hair protein genes are likely due to evolutionary deletions or duplications.
research Photochemical Alterations in Human Hair: Artificial Irradiation and Investigations of Hair Proteins
Melanin in black hair protects it from sun damage better than light-brown hair.
research Dyeing Regions of Oxidative Hair Dyes in Human Hair Investigated by Nanoscale Secondary Ion Mass Spectrometry
Hair dye colors mainly target melanin granules in black hair.
research Cosmetic Assessment of Human Hair by Confocal Microscopy
Confocal microscopy is better than scanning electron microscopy for studying hair in its natural state and understanding hair products' effects.
research PPAR-γ Signaling as a Key Mediator of Human Hair Follicle Physiology and Pathology
PPAR-γ is important for healthy hair and its problems, and more research on PPAR-γ treatments is needed.
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 Automated Digital Image Analysis (TrichoScan) for Human Hair Growth Analysis: Ease Versus Errors
TrichoScan often makes mistakes and needs improvement for correct hair growth analysis.
research Angiogenin Is Expressed in Human Dermal Papilla Cells and Stimulates Hair Growth
Angiogenin helps hair grow by stimulating cell growth and blood vessel formation.
research Quantitative Study of the Human Hair Follicle in Normal Scalp and Androgenetic Alopecia
Alopecia causes smaller hair follicles and affects growth-related structures.
research Protein Extraction from Human Anagen Head Hairs 1 Millimeter or Less in Total Length
A new method was developed to extract and analyze proteins from very short human hairs.
research Oxidative Modification in Human Hair: The Effect of the Levels of Cu (II) Ions, UV Exposure and Hair Pigmentation
Reducing copper (II) ion levels in hair can decrease hair damage.
research A Simple Assay for the Study of Human Hair Follicle Damage Induced by Ionizing Irradiation
Ionizing radiation damages human hair follicles by stopping cell growth, causing cell death, disrupting color, and increasing stress and damage markers.
research Tryptophan in Human Hair: Correlation with Pigmentation
Men have more tryptophan in their hair than women, and it increases with age and is higher in darker and grey or white hair.
research Extractable Substances from Human Hair: A Discussion About the Origin of the Holes
Holes in mature hair are likely caused by the removal of substances during hair care.
research Immunopathology of the Human Hair Follicle
The document concludes that immune system abnormalities cause alopecia areata, but the exact process is still not completely understood.
research The Cracking of Human Hair Cuticles by Cyclical Thermal Stresses
Frequent blow-drying causes cracks and breakage in hair cuticles.
research Towards Expansion of Human Hair Follicle Stem Cells In Vitro
Scientists can grow human hair follicle stem cells in a lab without changing their nature, which could help treat hair loss.
research Overexpression of Alkaline Phosphatase Improves the Hair-Inductive Capacity of Cultured Human Dermal Papilla Spheres
Increasing alkaline phosphatase in human skin cells helps to grow more hair.
research Topically Applied Nicotinamide Inhibits Human Hair Follicle Growth Ex Vivo
Nicotinamide applied to the scalp can slow down hair growth.
research Interferon Beta Secreted from Human Hair Dermal Papilla Cells Inhibits the Growth of Outer Root Sheath Cells Cultured in Vitro
Interferon β from hair cells stops the growth of other hair cells.
research An In Vitro Model for the Study of Human Hair Growth
Researchers created a lab model to study human hair growth, showing it can grow and self-regulate outside the body.