research Rat hair follicle growth in vitro
Rat hair follicles grow longer in vitro, but certain factors can inhibit this growth.
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research HAIR DIAMETER IN FEMALE BALDNESS
Women with thinning hair have thinner hair strands than women without hair loss.
research Human scalp hair: geometry, biochemistry, growth parameters and mechanical characteristics
A 6-group geometric classification of human scalp hair is more reliable and objective for testing than an 8-group system.
research Hair That Is Difficult to Manage in a Hispanic Girl
A 9-year-old Hispanic girl has Uncombable Hair Syndrome, which may improve with age and biotin treatment.
research Hair curvature: a natural dialectic and review
The document concludes that hair curvature can be explained by the growth patterns caused by the shape and separation of cells in the hair follicle and is affected by specific molecular pathways.
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 In Vivo Non-Invasive Observation of Dynamic Changes in Hair Shaft, Melanin, and Collagen During the C57BL/6 Follicle Cycle
Non-invasive methods can effectively monitor hair growth cycles, aiding hair loss treatment development.
research Modeling Dynamic Hair as a Continuum
The authors created a realistic and efficient method to simulate hair movement by combining fluid dynamics with individual hair strand behavior.
research A Guide for Studying Spatiotemporal Variability in Murine Hair Cycle and Hair Growth Wave Patterns In Vivo
research The Follicular Automaton Model: Effect of Stochasticity and of Synchronization of Hair Cycles
The model showed that randomness accurately describes individual hair growth cycles and that synchronization can cause large fluctuations not seen in humans.
research Assessment of hair loss: clinical relevance of hair growth evaluation methods
Effective hair loss assessment requires a mix of precise measurement methods.
research Growth Inhibition and Transient Temperature Measurement of Laser-Irradiated Hair Fibers and Follicles
Laser treatment can inhibit hair growth and different hair colors reach different temperatures when lasered.
research The kinetics of moisture sorption by hair
Hair absorbs moisture differently based on its structure and treatment, with changes occurring at 30% humidity.
research 1330 Flexible fate determination ensures robust differentiation in the skin hair follicle
Hair follicle stem cells can change their role to ensure proper hair development.
research The Metabolism and Control Mechanism of Human Hair Follicles
Human hair follicles have a unique metabolism that changes between growth stages and may contribute to baldness.
research A girl struggling with extremely unruly hair
The girl likely has Loose anagen hair syndrome, which may improve on its own or with minoxidil.
research Exhaustive analysis of scalp hair regression: subjective and objective perception from initial hair loss to severe miniaturisation and drug-induced regrowth
Hair loss reduces hair thickness and coverage, but drug treatments mainly revive dormant hairs rather than reverse thinning; patients often undervalue their hair loss severity.
research Identification of factors contributing to phenotypic divergence via quantitative image analyses of autosomal recessive woolly hair/hypotrichosis with homozygous c.736T>ALIPH mutation
Different hair fiber development might explain why hair loss severity varies in patients with a specific genetic mutation, and treatments that thicken hair could help.
research Air Wedge Interferometry for Microscopic Thickness Measurement of Human Hair
Air wedge interferometry is a precise, cost-effective way to measure hair thickness.
research Evaluation of Hair Cycle and Epidermal Turnover.
The document concluded that there are differences in hair growth cycles and skin cell turnover rates, which can be measured with electronic equipment.
research Igf1r signalling acts on the anagen‐to‐catagen transition in the hair cycle
Igf1r helps regulate hair growth cycles.
research What women want - quantifying the perception of hair amount: an analysis of hair diameter and density changes with age in caucasian women
Caucasian women's hair appears thickest in their 20s, with perceived thinning after mid-30s due to both decreasing density and diameter.
research Male pattern hair loss - rh79g
research J. Cosmet. Sci., 59, 263–289 (July/August 2008) Characterization of curved hair of Japanese women with reference to internal structures and amino acid composition
Japanese women's curved hair has an uneven internal structure and varied amino acid composition.
research Mouse Hair Cycle Expression Dynamics Modeled as Coupled Mesenchymal and Epithelial Oscillators
The study concluded that hair growth in mice is regulated by a stable interaction between skin cell types, and disrupting this can cause hair loss.
research THE ENDOCRINE SYSTEM AND HAIR GROWTH IN THE RAT
Male rats grow hair faster than females, and certain hormones can slow or slightly increase hair growth, but not significantly beyond natural rates.
research The hair cycle and its regulation
Hormones, nutrition, and seasonal changes regulate hair growth cycles, with androgens extending growth phases and factors like aging and malnutrition affecting hair loss and thinning.
research Segmental hair analysis as a retrospective testosterone diary: possibilities and pitfalls
Segmental hair analysis can track testosterone over time but needs adjustments for sex, hair color, and washing frequency.
research What amount of hair do women want?
Women generally want more hair volume, which becomes a concern around menopause due to hair loss.
research Elastoinertial effects govern dynamic response of soft hair beds
Hair beds in fluid show nonlinear response due to viscosity, inertia, and elasticity.