research Bacteria Display Differential Growth and Adhesion Characteristics on Human Hair Shafts
Human hair shafts inhibit Gram-positive bacteria growth but not Gram-negative bacteria.
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930-960 / 1000+ resultsresearch K25 (K25irs1), K26 (K25irs2), K27 (K25irs3), and K28 (K25irs4) Represent the Type I Inner Root Sheath Keratins of the Human Hair Follicle
K25, K27, and K28 are found in all inner root sheath layers of hair, while K26 is only in the cuticle.
research Mechanical characterization of curly hair: Influence of the use of nonconventional hair straightening treatments
Formaldehyde damages curly hair more than glyoxylic acid.
research Metabolomic and lipidomic atlas of human hair across its length
Human hair contains many different molecules that change along its length, influenced by personal care products.
research The detection of apoptosis and bcl2 in isolated secondary mohair follicles (growing and quiescent), cultured in vitro in the presence or absence of biotin
Biotin helps maintain hair follicle growth by affecting cell death and survival signals.
research Daily Circle of Calcium Concentration in Hair Observed by X-ray Fluorescence Analysis
Hair can show daily calcium changes, linked to body calcium levels and influenced by hormones, and can help assess calcium metabolism issues.
research Analyses of histological and transcriptome differences in the skin of short-hair and long-hair rabbits
Hair length in rabbits is linked to differences in lipid metabolism and cell death.
research Protocol for Self-Assembled Human Hair Keratins
research Acquired progressive kinking of the hair following COVID‐19 disease
COVID-19 can cause hair to become progressively kinked.
research Observation of the Microstructure of Human Hair Based on a Single Detector Optical Coherence Tomography
Chemical dyes damage hair's internal structure more than perming, as shown by a special imaging technique.
research EFFECTS OF HUMAN HAIR KERATIN ALKYLATION ON GROWTH FACTOR DELIVERY AND CELLULAR RESPONSE: IMPLICATIONS IN BONE REGENERATION
Alkylated keratin from human hair can help deliver growth factors for bone healing.
research Hair perms/straighteners and styling agents
Hair perms or treatments seem safe to use up to 3 to 4 times during pregnancy.
research A frameshift insertion in SGK3 leads to recessive hairlessness in Scottish Deerhounds: a candidate gene for human alopecia conditions
A genetic mutation in the SGK3 gene causes hairlessness in Scottish Deerhounds and may relate to human hair loss.
research Wanted, dead and alive: Why a multidisciplinary approach is needed to unlock hair treatment potential
Different fields of expertise must work together to better understand hair growth and create effective hair loss treatments.
research Pili torti in association with citrullinemia
A girl with citrullinemia developed pili torti, suggesting a link between the hair condition and the metabolic disorder.
research Interactions between Crossed Hair Fibers at the Nanoscale
Hair fibers interact through classical forces, which are influenced by treatments and products, important for hair care and other applications.
research Ziehl-Neelsen's stain for skin sections to show wool and hair follicles
Ziehl-Neelsen's stain helps identify different parts of hair in sheep and goats.
research Traction Alopecia in Two Adolescent Sikh Brothers-An Underrecognized Problem Unmasked by Migration
Two Sikh brothers developed permanent hair loss from wearing turbans tightly, a condition that became apparent after they moved to Austria.
research Organization of microfibrils in keratin fibers studied by X-ray scattering
The study improved understanding of keratin fiber structure by showing consistent microfibril diameter but varying distances and electron density profiles.
research Isolation and Quantification of Glycosaminoglycans from Human Hair Shaft
Human hair contains more glycosaminoglycans in children than adults, and these compounds decrease with age, possibly affecting hair thickness.
research Hair care practices and structural evaluation of scalp and hair shaft parameters in African American and Caucasian women
African American women report more hair issues and use different hair care practices than Caucasian women, and have different hair and scalp characteristics.
research Genetics of Structural Hair Disorders
The document concludes that over 500 genes are linked to hair disorders and this knowledge is important for creating new treatments.
research Congenital atrichia with papular lesions resulting from novel mutations in human hairless gene in four consanguineous families
Mutations in the hairless gene cause a rare form of permanent hair loss.
research Loose anagen syndrome in one identical twin girl
One twin girl has Loose anagen syndrome with poorly anchored hair, diagnosed with a simple hair pull test, while her identical twin does not have the condition.
research Mechanism of hair straightening
Hair can be straightened using different chemicals, not just strong alkali.
research Characteristics of Cut Head Hair: An Evidence in Criminal Investigations
Cut hair can help link suspects to crime scenes.
research Congenital Hypotrichosis in Japanese White Strain (JW-NIBS) Rabbits.
A single recessive gene causes sparse hair in certain Japanese White rabbits.
research 840 Early and late matrix progenitors form the terminally differentiated cell layers of the hair follicle
Early and late matrix progenitors in hair follicles create different cell layers, with early ones forming the companion layer and later ones forming the inner root sheath and hair shaft.
research DNA determination of human hair bulbs in normal and androgenetic alopecia
Hair loss happens due to faster cell growth and fewer cells in affected follicles.
research Measuring Hair
Human head hair can grow very long and is thicker than most body hair.