research Measuring Hair
Human head hair can grow very long and is thicker than most body hair.
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research Suprabulbar Thinning of Hair in Telogen Effluvium
Hair is thinner near the scalp in acute hair shedding conditions.
research Exploring a biological tissue from atomic to macroscopic scale using synchrotron radiation: example of hair.
Hair has unevenly distributed proteins and lipids, with lipids mainly in the cuticle and proteins in the cortex and medulla.
research Thin Hair
Use gentle products and nourishing masks to keep thin hair strong and voluminous.
research Trichoscopy I: Non-Cicatricial Alopecia
The document concludes that different patterns of hair thickness and scalp changes can help diagnose types of non-scarring hair loss.
research Androgenetic Alopecia
The document concludes that signs of male and female pattern baldness include uneven hair thickness, yellow spots, skin discoloration around hair follicles, more thin and soft hairs, and many hair follicles with just one hair.
research Trichotillometry: the quantitation of hair pluckability as a method of nutritional
Malnourished people have weaker hair that is easier to pluck.
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 New aspects of the structure of human hair on the basis of optical microscopic observations of disassembled hair parts.
Human hair's strength comes from a honeycomb-like structure and macrofibrils.
research The relation between androgenetic thin hair diagnosed by trichoscope and benign prostatic hyperplasia
Men with thinner hair from genetic hair loss may be more likely to have an enlarged prostate.
research Hair Characteristics of East and Southeast Asians
East and Southeast Asians typically have less dense but thicker, straight black hair.
research Hair distribution width – a novel trichoscopy parameter for hair miniaturization in androgenetic alopecia
New method, hair distribution width (HDW), improves accuracy in diagnosing androgenetic alopecia (AGA).
research Nanomechanical characterization of human hair using nanoindentation and SEM
Human hair's strength and flexibility vary by ethnicity, damage, and treatment.
research TENSILE STRENGTH OF SCALP HAIR IN WOMEN WITH HAIR LOSS
Women with hair loss have weaker hair that breaks more easily.
research Perception of Baldness and Hair Density
Early baldness is noticed due to both reduced hair density and thinner hair shafts.
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 Hair miniaturization in female pattern hair loss evaluation before hair transplant
research Hair-Hair Contact Dynamics and Interactions Studied with Atomic Force Microscopy
Hair movement can indicate hair quality and health.
research Contribution of hair density and hair diameter to the appearance and progression of androgenetic alopecia in Japanese men
Hair thickness matters more than density for baldness in Japanese men over 25.
research “Hair building” fibers through the dermoscope
Trichoscopy can help tell the difference between artificial hair fibers and other scalp artifacts.
research Measurement of hair growth
Scalp hair grows at 0.37 mm/day, forearm hair at 0.18 mm/day, and thigh hair at 0.30 mm/day, with no significant differences found in people with certain hair conditions.
research Hair density, hair diameter and the prevalence of female pattern hair loss
Hair loss caused by longer latent hair cycle and sudden miniaturization, not gradual follicle size reduction.
research Hard X-ray Microscopic Images of the Human Hair
High-resolution x-ray images showed three main structures in human hair: medulla, cortex, and cuticle.
research Age-related changes in the hair follicle and hair shaft in women in the parietal region
As women age, hair follicles decrease in number and hair width tends to reduce.
research Lonely Hair Sign: Not Specific for Frontal Fibrosing Alopecia
Hair diameter diversity is a key sign for diagnosing and managing male pattern baldness.
research Hair: more than just an appendage
A boy and his father with hereditary hypotrichosis simplex were treated for hair loss, but the treatment result is unknown.
research Congenital hypotrichosis due to short anagen
Some children are born with unusually short, fine hair because their hair growth phase is short, but this often gets better by itself during puberty.
research Hair shaft miniaturization causes stem cell depletion through mechanosensory signals mediated by a Piezo1-calcium-TNF-α axis
Hair thinning causes stem cell loss through a process involving Piezo1, calcium, and TNF-α.
research Three-dimensional architecture of macrofibrils in the human scalp hair cortex
Human hair has a complex, variable structure with a consistent matrix and double-twist pattern.
research Evaluation of Hair Density and Hair Diameter in the Adult Thai Population Using Quantitative Trichoscopic Analysis
Thai people's hair density decreases with age and varies by scalp area, but hair thickness stays the same regardless of age or scalp area.