research Cutaneous hydroxystereoid dehydrogenases and rat-hair-cycle
Certain enzymes react strongly with some hormones in rat skin during hair growth, mainly in sebaceous glands and hair sheaths.
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research Normal head-hair length is correlated with its diameter
Hair length and thickness are related, with thickness peaking at about a quarter of the hair's maximum length.
research Androgenetic Alopecia
Hair loss and growth can be accurately measured using computer-assisted counting.
research EEMCO Guidance for the Assessment of Hair Shedding and Alopecia
The document explains hair growth and shedding, factors affecting it, and methods to evaluate hair loss, emphasizing the importance of skin biopsy for diagnosis.
research Mapping the hair density, thickness, and volume in normal and androgenetic alopecia subjects with the digital microscope
Hair density and thickness decrease in specific scalp areas in people with androgenetic alopecia.
research Validación de una adaptación transcultural al idioma español de la escala Hair Specific Skindex-29
The Spanish version of the Hair Specific Skindex-29 scale is a reliable and valid way to measure the impact of hair loss on women's quality of life.
research The Predictive Value of Midscalp Hair Density and Terminal Hair Percentage in the Severity Evaluation of FPHL Assessed by Trichoscan in a Sample of Chinese Population
Midscalp hair density and terminal hair percentage are good indicators of female pattern hair loss severity.
research Assessment of rate of hair growth using a simple trichometer
The trichometer accurately measures hair growth and is easy to use.
research Evaluation method of the degree of hair damage. (I). Measurement of tensile strength of human hair by "the multi-point tension test method".
The method accurately measures hair damage and strength, revealing effects of cosmetics and metal correlations.
research [A longitudinal elasticity study of hair from the human head in forensic medicine].
The method effectively measures hair elasticity and could be useful in forensics.
research The trichotillometry: a technique for hair assessment
Trichotillometry is a reliable method to measure hair strength and assess hair loss treatments.
research P-421 ASSOCIATION BETWEEN STRESS-RELATED HORMONE LEVELS IN HAIR AND SUBJECTIVE MENTAL HEALTH IN JAPANESE WORKERS
Higher cortisol levels are linked to poor coping, while higher DHEA levels are linked to job confidence.
research BH08 Evaluating quality-of-life measures for alopecia: a comparative analysis of Dermatology Life Quality Index and Hospital Anxiety and Depression Scale correlations with disease severity
DLQI is a reasonable quality-of-life measure for alopecia patients, but more research is needed.
research 17-Beta-Hydroxy-Steroid-Dehydrogenases in Hair Follicles of Normal and Bald Scalp: A Histochemical Study
research The Metabolism of Dehydroepiandrosterone by Human Scalp Hair Follicles
Altered DHEA metabolism in hair follicles may be linked to hair loss in balding men.
research Validation of a Cross-cultural Adaptation of the Hair Specific Skindex-29 Scale to Spanish
The Spanish version of the Hair Specific Skindex-29 is a reliable tool for measuring quality of life in Spanish-speaking women with hair loss.
research Deep Hair Phenomics: Implications in Endocrinology, Development, and Aging
A new tool can analyze hair to detect changes due to hormones, genetics, and aging.
research The unit area trichogram in the assessment of androgen-dependent alopecia
The unit area trichogram is a reliable method to assess hair loss and treatment response in people with androgenic alopecia by measuring hair density and thickness.
research Hair breakage index: an alternative tool for damage assessment of human hair.
Coconut oil protects hair from damage better than regular grooming practices.
research Prevalence of male pattern hair loss in 18-49 year old men – construction of scales and preliminary test of reliability and validity
research Hair cortisol as a biomarker for mood in bipolar disorder: a pilot study
Hair cortisol may be a good indicator of recent mood in people with bipolar disorder.
research [The evaluation of clinical signs and hormonal changes in women who complained of excessive body hair growth].
Women with excessive body hair often have higher male hormones and related health issues.
research Assessing Dihydrotestosterone-Induced Skin Alterations in C57BL/6 Mice: Implications for Androgenetic Alopecia through High-Resolution Ultrasound Imaging
DHT causes thicker and less elastic skin, linked to hair loss.
research 862 Defining the molecular signature of the hair follicle dermal sheath and its functional requirement for hair cycle progression during catagen
The hair follicle dermal sheath is essential for hair shedding and needs to communicate with the outer root sheath for normal hair growth cycles.
research A Segmental Approach to Scoring Hair Density from Global Images: Introducing the Scalp Coverage Scoring Method for Clinical Trials and Practice
The Scalp Coverage Scoring method reliably measures hair density from images.
research Hair diameter measurement methods: micrometer caliper versus phototrichogram
The phototrichogram is better for measuring hair thickness.
research Digit ratio 2D:4D is a possible indicator for androgenetic alopecia in males
Finger length ratio may indicate male hair loss.
research Hair Counts from Normal Scalp Biopsy in Taiwan
The conclusion is that normal scalp hair counts for Taiwanese people were established, showing age-related differences but not sex or scalp location differences.
research Hair evaluation methods: Merits and demerits
Different hair evaluation methods have their own pros and cons, and using multiple methods together is best for accurate hair loss diagnosis and tracking.
research 5α-Reductase activity in the human hair follicle concentrates in the dermal papilla
The enzyme that changes testosterone to a stronger form is mostly found in the part of the hair follicle called the dermal papilla.