research Sparse Brittle Hair and Bilateral Temporal Alopecia in a Child
A 2-year-old boy has a rare hair disorder causing brittle hair and hair loss, which may improve with age.
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300-330 / 1000+ results research Conformational differences in protein disulfide linkages between normal hair and hair from subjects with trichothiodystrophy: A quantitative analysis by Raman microspectroscopy
TTD hair is brittle due to fewer sulfur amino acids and unstable disulfide bonds.
research How different is human hair? A critical appraisal of the reported differences in global hair fibre characteristics and properties towards defining a more relevant framework for hair type classification
Human hair varies widely and should be classified by curl type rather than race.
research Hair-Hair Contact Dynamics and Interactions Studied with Atomic Force Microscopy
Hair movement can indicate hair quality and health.
research Helical twist direction in the macrofibrils of keratin fibres is left handed
Keratin fibers in hair twist left-handed.
research Clinical Snippets
Melanoma risk tools need improvement, certain gene mutations cause skin diseases and could be treated by targeting those mutations, skin wrinkling may relate to lung aging due to genetic factors, and oxidative stress affects hair loss but can be reduced in low oxygen.
research 문주란의 모발 성장기 유도 기전
Crinum asiaticum extract and norgalanthamine may promote hair growth by blocking an enzyme linked to hair loss and a pathway that stops hair growth.
research Hair—the most sophisticated biological composite material
Hair is a complex protein fiber with unique properties useful for developing hair products.
research Structural changes of hair shaft after application of chemical hair straighteners: Clinical and histopathological study
Chemical hair straightening improves smoothness and shine but may cause side effects, suggesting a need for safer methods.
research Direct Observation of Hair Components Involved in Formation of Permanent Waves
Microfibrils are key for permanent waves, and hydrolyzed keratin improves wave formation and hair condition.
research Physiological roles of hair structural protein: a possible application of keratin-associated proteins to new hair growing ingredient
research Damage of hair fibers as evaluated by an electrical capacitance technique
research Hair Pores Caused by Surfactants via the Cell Membrane Complex and a Prevention Strategy through the Use of Cuticle Sealing
Surfactants damage hair, but sealing the cuticle can prevent this.
research Hair Follicle Miniaturization in a Woolly Hair Nevus
The boy with woolly hair nevus had thinner hair and abnormal hair follicles, which improved with treatment but worsened when treatment stopped.
research Physical Properties of Human Hair. 1. Evaluation of Bending Stress by Measuring the Major and the Minor Axis of Human Hair.
The cuticle significantly contributes to hair stiffness, making up about 60% of the total bending stress.
research 파주에서 발견된 16세기 미라 머리카락의 미세구조과 보존상태에 관한 연구
The 16th-century mummy's hair was well-preserved due to a calcium coating.
research Normal and Aging Hair Biology and Structure ‘Aging and Hair'
Hair gets thinner, grayer, and changes texture with age due to genetics, environment, and cellular changes, affecting the growth cycle.
research Increased Preauricular Wrinkles in Frontal Fibrosing Alopecia Compared to Age-Matched Controls: A Prospective Study of 64 Patients
Women with Frontal Fibrosing Alopecia have more wrinkles near their ears than similar aged women without the condition.
research Lipid loses and barrier function modifications of the brown‐to‐white hair transition
White hair has less lipid content and absorbs water differently than brown hair.
research Cortical cell types and intermediate filament arrangements correlate with fiber curvature in Japanese human hair
Hair curvature in Japanese people is linked to specific cell types and filament arrangements in the hair cortex.
research The local hypothalamic–pituitary–adrenal axis in cultured human dermal papilla cells
Stress hormone CRF causes hair loss and inhibits hair growth in human cells.
research Evaluation of Surface Structure and Morphological Phenomena of Caucasian Virgin Hair with Atomic Force Microscopy
AFM can diagnose hair disorders by revealing detailed hair surface changes.
research Age, Health and Attractiveness Perception of Virtual (Rendered) Human Hair
Hair style affects perceptions of age, health, and attractiveness more than hair color does.
research The toughening transition in hair keratin
The observed "toughening" in keratin was actually due to water evaporation, not a real change in keratin.
research A 9-month-old infant with severe scalp dermatosis
The infant likely has Hay-Wells syndrome and needs genetic testing and heart screening.
research Hair Shaft Fracture in a Young Athlete: A Rare Case Report of Acquired Trichorrhexis Nodosa
A young athlete's fragile hair condition improved by cutting hair and using gentle shampoo.
research The structure of people’s hair
Hair's molecular structure is mostly consistent, but genetic differences affect lipid types, which could help diagnose diseases.
research Coils & Curls: A Mathematical Tapestry of Black Hair
Black hair's diversity in patterns and textures is influenced by follicle shape and keratin, and it holds cultural, artistic, and mathematical significance.
research Spontaneous Quick Resolution of Uncombable Hair Syndrome-Like Disease
A boy's hair that was frizzy and hard to comb returned to normal after 9 months, possibly due to genetic factors.
research Miscellaneous Disorders
Trichorrhexis nodosa causes hair to break easily, often affecting young to middle-aged black women.