research Hair
Hair grows from living roots, is made of dead keratin, and goes through growth, rest, and shedding stages.
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research Disulfide Cross-Linked Network Structure of Intermediate Filament and Matrix in Hair and Wool Cortices
Hair and wool strength is affected by the number and type of bonds in their protein structures, with hair having more protein aggregates than wool.
research Human hair shaft proteomic profiling: individual differences, site specificity and cuticle analysis
Human hair proteins vary by individual, body site, and ethnicity, useful for forensics.
research Organization and Expression of Hair Follicle Genes.
Hair growth is controlled by specific gene clusters and proteins, and cysteine affects hair gene expression in sheep.
research Hair Shaft Morphology, Elemental Composition, and Nanoparticles in Frontal Fibrosing Alopecia: A Case-control Study
Titanium nanoparticles may trigger frontal fibrosing alopecia, so avoid products with them.
research Morphological Changes in Human Scalp Hair Roots during Deprivation of Protein
Not eating enough protein can cause hair roots to shrink and lose color, and hair to become thinner.
research Issue Information
Aging causes hair thinning in women due to changes in the scalp environment.
research Adverse reaction to isotretinoin: alteration of the hair shaft structure
Isotretinoin can rarely cause hair to grow curly.
research Proteomic analysis of hair shaft and nail plate.
Hair and nail proteins, mainly keratins, are crucial for structure and can indicate health issues.
research Phenotype of Normal Hairline Maturation
Children's hairlines change shape as they grow, with women often developing a widow's peak and men's hairlines becoming more convex and possibly balding at the temples, influenced by genetics and hormones.