research Ultrastructural Localization of Hair Keratins in Human Scalp Hair Shafts as Revealed by Rapid-Freezing Immunocytochemistry.
Hair keratins are mainly on macrofibrils in the cortex and in the endocuticle in the cuticle.
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research Distribution of bacterial community structures on human scalp hair shaft in relation to scalp sites
Bacterial communities on scalp hair are unique to each person but consistent across different scalp sites.
research Ultrastructural Localization of S100A3, a Cysteine-rich, Calcium Binding Protein, in Human Scalp Hair Shafts Revealed by Rapid-freezing Immunocytochemistry
S100A3 protein is mainly found in specific parts of human hair cells.
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 Human Scalp Hair Follicles Are Both a Target and a Source of Prolactin, which Serves as an Autocrine and/or Paracrine Promoter of Apoptosis-Driven Hair Follicle Regression
Prolactin contributes to hair loss by promoting hair follicle shrinkage and cell death.
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.
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 Histologic and Cell Kinetic Studies of Hair Loss and Subsequent Recovery Process of Human Scalp Hair Follicles Grafted onto Severe Combined Immunodeficient Mice
Stem cells are key for hair follicle recovery.
research Qualitative investigation of fresh human scalp hair with full-field optical coherence tomography
Melanin density affects hair color, and this method can help in cosmetic assessments and diagnosing hair diseases.
research Microscopic sex-based differentiation of human scalp hair among university students in Nigeria
Male and female scalp hair differ in size, density, length, curliness, pigmentation, and cuticle preservation.
research Estrogens and Human Scalp Hair Growth—Still More Questions than Answers
The effects of estrogen on human hair growth are unclear and need more research.
research Histomorphological and Quantitative Characteristics of Black and Gray Human Scalp Hair
Gray hair has more continuous medullation and a higher medullary diameter than black hair.
research Biomolecules of Fermented Tropical Fruits and Fermenting Microbes as Regulators of Human Hair Loss, Hair Quality, and Scalp Microbiota
Fermented papaya and mangosteen in hair care products helped prevent hair loss and improve hair thickness.
research SEM/SDD-EDS—An analytical tool to identify water borne micro minerals pick up in human scalp hair cuticle due to water quality
Water quality affects mineral content in hair, and coconut oil can protect against damage.
research 1376 Dermal white adipose tissue enhances proliferation, pigmentation and hair shaft elongation in human hair follicles ex vivo
Fat under the skin can help hair grow longer, darker, and increase cell growth.
research Identifying novel strategies for treating human hair loss disorders: Cyclosporine A suppresses the Wnt inhibitor, SFRP1, in the dermal papilla of human scalp hair follicles
Cyclosporine A may help treat hair loss by blocking a protein that inhibits hair growth.
research Spermidine Promotes Human Hair Growth and Is a Novel Modulator of Human Epithelial Stem Cell Functions
Spermidine may help reduce hair loss and deserves further testing as a treatment.
research 695 Using MALDI-MSI analysis to study distribution of FOL-005, a potent, novel inhibitor of human hair growth, after subcutaneous injection in mice
FOL-005, a new substance, was found to reduce hair growth without toxicity when injected into skin, suggesting it could be used to treat excessive hair growth.
research Description of the Intrafollicular Delivery of Large Molecular Weight Molecules to Follicles of Human Scalp Skin In Vitro
Properly formulated large molecules can reach active levels at the hair bulb.
research Ultrastructural Localization and Quantification of Extracellular Calcium Binding Sites in Mouse Vibrissa and Human Scalp Follicles
Hair growth drugs and epidermal growth factor do not change the calcium binding site gradient in hair follicles.
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.
research Melatonin and the Human Hair Follicle
Melatonin may help improve hair growth in people with certain types of hair loss.
research Attenuation of Dickkopf 1-Induced Hair Growth Inhibition in Cultured Human Hair Follicles by Tianeptine
Tianeptine may help prevent hair loss by promoting hair growth and reducing cell death.
research Androgenetic alopecia, trichotrophic substances, and histologic studies of the human scalp
Minoxidil promotes hair growth but exact mechanism is unknown.
research Hair aging and anti-aging
Hair ages due to various factors and treatments like minoxidil and finasteride can help, but more research and better public awareness are needed.
research 613 Assessment of the induction and morphogenic potential of human hair matrix cells and dermal papilla fibroblasts ex vivo
Human hair matrix cells and dermal papilla fibroblasts can form early hair follicle structures but don't produce hair shafts yet.
research Topically Applied Nicotinamide Inhibits Human Hair Follicle Growth Ex Vivo
Nicotinamide applied to the scalp can slow down hair growth.
research Beyond the Epidermal-Melanin-Unit: The Human Scalp Anagen Hair Bulb Is Home to Multiple Melanocyte Subpopulations of Variable Melanogenic Capacity
The human scalp has different types of pigment cells in hair follicles with varying abilities to produce pigment.
research Potential use of human hair shaft keratin peptide signatures to distinguish gender and ethnicity
Keratin peptides in hair might help identify gender and ethnicity.
research Evidence for calcium soaps in human hair shaft revealed by sub-micrometer X-ray fluorescence
Calcium soaps are present in human hair and can be removed with acid.