research Developmental trajectory of hair cortisol concentrations across childhood
Hair cortisol levels decrease as children age, stabilizing around age 4.
Search
for
Sort by
Research
810-840 / 1000+ resultsresearch Comparative aspects of the inner root sheath in adult and developing hairs of mammals in relation to the evolution of hairs
The inner root sheath evolved to help hair grow safely through the skin in mammals.
research Faculty Opinions recommendation of Distinguishing androgenetic alopecia from chronic telogen effluvium when associated in the same patient: a simple noninvasive method.
A simple method using the wash test and dermatoscopy can help differentiate between two hair loss conditions, androgenetic alopecia and chronic telogen effluvium.
research Standardization and Validation of Scalp Surface Area Measurement and Assessment of Interchangeability Between Two Independent Methodologies for Head Crown Area and Total Hair Count Measurement
Two methods reliably measure scalp area and hair count.
research Analysis of the hair coat of domestic catswith special focus on histological structure
Domestic cat hair varies in thickness and length, with guard hairs being longest and thickest, and all hair types mainly contain keratin.
research Usefulness of high-frequency ultrasonography in the assessment of alopecia areata – comparison of ultrasound images with trichoscopic images
High-frequency ultrasonography can be a useful tool for diagnosing different stages of alopecia areata, a type of hair loss.
research Histochemistry of the human hair follicle with consideration of anagen phases I to VI
Human hair follicles have a unique cell distribution and differentiation pattern during growth.
research A Comprehensive Review of GWASs of Human Hair Traits
Genetic studies on hair traits can improve understanding of health and disease.
research Different patterns of 5α-reductase expression, cellular distribution, and testosterone metabolism in human follicular dermal papilla cells
Androgen effects on hair follicles vary by skin area.
research Development of a Classification System for Extrinsic Hair Damage: Standard Grading of Electron Microscopic Findings of Damaged Hairs
Researchers created a standard system to grade hair damage using microscopic images.
research Evaluation of the rodent Hershberger assay using three reference endocrine disrupters (androgen and antiandrogens)
The assay effectively detects hormonal activity of certain chemicals.
research Fine Structure of Perifollicular Nerve Endings in Human Hair
research Hair miniaturization in female pattern hair loss evaluation before hair transplant
research Follicular Map: A Novel Approach to Quantitative Trichoscopy
The new Follicular Map method could help assess hair treatment effectiveness but has some limitations.
research 8 Hair follicles and associated glands as androgen targets
Androgens like testosterone affect hair growth and oil production differently across body parts and individuals.
research Alopecia areata: trichoscopic markers in determining disease activity
Exclamation mark hairs and broken hairs best indicate active alopecia areata.
research 1378 A multi-omics approach to identifying factors involved in hair follicle growth and development
The research found that certain factors in hair follicle cells control hair growth and development, and these could be used to create new treatments for hair loss.
research Age-Related Changes in Female Scalp Dermal Sheath and Dermal Fibroblasts: How the Hair Follicle Environment Impacts Hair Aging
Aging causes changes in the scalp that can affect hair growth and lead to older-looking hair in women.
research Trichotillometry: the reliability and practicality of hair pluckability as a method of nutritional assessment
Hair pluckability is not a reliable method for assessing nutrition.
research Quantitative Studies on Human Hair Growth(I). Fundamental Measurements and the Evaluation of Hair Growers.
Hair grows slower and thinner with age, but a test tonic improved growth in alopecia subjects.
research Assessing Hair Shedding in Children
Hair shedding in children is normal and increases with age.
research Determination of the cuticula thickness of human and porcine hairs and their potential influence on the penetration of nanoparticles into the hair follicles
Nanoparticles penetrate hair follicles better when their size matches the cuticula thickness.
research Scalp photodamage in balding men: An observational study combining a novel clinical scoring method with estimation of individual sun exposure history and risk factors
The study concluded that a new method can effectively assess scalp sun damage in balding men, which increases with age and sun exposure.
research Development of predictive regression model for perceived hair breakage in Indian consumers
The model predicts hair breakage based on key hair properties and helps product developers.
research Age-related changes in endogenous glucocorticoids, gonadal steroids, endocannabinoids and their ratios in plasma and hair from the male C57BL/6 mice
Male C57BL/6 mice show age-related fluctuations in certain hormones and their ratios in both blood and hair.
research Sensitive Quantitative In Vivo Assay for Evaluating the Effects of Biomolecules on Hair Growth and Coloring Using Direct Microinjections into Mouse Whisker Follicles
The new "whisker follicle microinjection assay" can test how different biomolecules affect hair growth and color.
research Features of skinfold thickness in Ukrainian men with alopecia areata
Men with alopecia areata have different body fat distribution compared to healthy men.
research Sexual Dimorphism in Micronutrient Homeostasis and Cluster Depletion Patterns in Type 2 Diabetes Mellitus Patients with Hair Loss: Development and Validation of a Phenotype-Based Risk Stratification Tool
A new tool helps tailor treatments for hair loss in Type 2 Diabetes patients by considering gender differences in nutrient levels.
research Pelage and molt in the black-tailed deer (Odocoileus hemionus (Rafinesque))
Black-tailed deer have four types of pelages and molt twice a year.
research Study on Hair Distribution in Healthy Males for Hair Restoration Design
About 21.3% of young, healthy Chinese men experience hair loss. Hairlines are mostly linear or have a central protrusion. Hair is densest on the top and back of the head, and hair follicles usually have 1 or 2 hairs. This information can help in designing hair restoration procedures.