research Enhanced Ectodysplasin-A Receptor Signaling Alters Multiple Fiber Characteristics to Produce the East Asian Hair Form
A genetic change in the EDAR gene causes the unique hair traits found in East Asians.
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research α3β1-Integrin Regulates Hair Follicle But Not Interfollicular Morphogenesis in Adult Epidermis
α3β1-integrin is crucial for maintaining normal hair follicle shape and function but not needed for the development of the surrounding skin.
research Evaluation of the Predictive Capacity of DNA Variants Associated with Straight Hair in Europeans
Certain DNA variants can predict straight hair in Europeans but are not highly specific.
research The Biology of Hair Shape
Hair shape is determined by genetic, molecular, and cellular factors.
research Delving Into Diversity: Exploring Different Risk Factors of Premature Greying of Hair
Genetics, nutrition, lifestyle, and hormones affect early grey hair, but more research is needed.
research Melatonin Modulates Tomato Root Morphology by Regulating Key Genes and Endogenous Hormones
Melatonin improves tomato root growth and plant health at certain levels by affecting genes and hormones but can damage roots at high levels.
research Hydrogen Sulfide Disturbs Actin Polymerization via S-Sulfhydration Resulting in Stunted Root Hair Growth
Hydrogen sulfide disrupts protein function and root hair growth in plants by modifying proteins.
research Friction and Wear Studies of Human Hair and Skin
Human hair and skin friction vary by ethnicity, hair type, and environmental conditions.
research Predicting Human Appearance from DNA for Forensic Investigations
DNA can predict physical traits like eye and hair color accurately, especially in Europeans, but predicting other traits and in diverse populations needs more research.
research Global Landscapes of Human Phenotypic Variation in Inherited Traits
Different human traits like skin color and hair type vary between populations due to genetic adaptations to the environment.
research Calculation of Cuticle Step Heights from AFM Images of Outer Surfaces of Human Hair
AFM helps study hair surfaces for dermatology, cosmetics, and forensics.
research Nociceptive and Non-Nociceptive Roles of TRPV3 and Its Druggability
TRPV3 could be a target for treating pain, skin disorders, and hair problems, but more research is needed to create effective drugs.
research Quantifying the Effects of Repeated Dyeing: Morphological, Mechanical, and Chemical Changes in Human Hair Fibers
Repeated hair dyeing significantly damages hair.
research Predicting Human Appearance Traits Based on DNA Markers for Forensic and Criminal Purposes
DNA markers can predict physical traits for forensic use, but there are ethical and technical challenges.
research Effects of Mycorrhizal Fungi on Plant Growth, Nutrient Absorption, and Phytohormone Levels in Tea Under Shading Conditions
Mycorrhizal fungi and shading improve tea plant growth and nutrient uptake by changing hormone levels and gene expression.
research A Replication Study Confirmed the EDAR Gene to Be a Major Contributor to Population Differentiation Regarding Head Hair Thickness in Asia
The EDAR gene greatly affects hair thickness in Asian populations.
research FGFR2 Is Associated With Hair Thickness In Asian Populations
A gene variation is linked to hair thickness in Asians.
research Investigation of Human Hair Fibers Using Lateral Force Microscopy
Hair treatments like bleaching increase friction by exposing tiny pores on the hair surface.
research Biology of Human Hair: Know Your Hair to Control It
Understanding hair biology is key to developing better treatments for hair and scalp issues.
research Optical Coherence Tomography Examination of Hair
OCT can effectively examine and reveal details about human hair and scalp conditions.
research Dermal Papilla Cell Number Specifies Hair Size, Shape, and Cycling, and Its Reduction Causes Follicular Decline
More dermal papilla cells in hair follicles lead to larger, healthier hair, while fewer cells cause hair thinning and loss.
research Nutrition and Hair: The Role of Nutrients in Hair Health
Eating the right nutrients can improve hair health, but taking extra supplements usually doesn't help unless you have a deficiency.
research An Ultrastructural Study of Hair Fiber Damage and Restoration Following Treatment with Permanent Hair Dye
Permanent hair dye damages hair but it mostly recovers after 8 weeks; using certain hair care products can help repair it.
research Ultrasound Detection of Retained Hair Tracts in Hidradenitis Suppurativa
Ultrasound shows 80% of Hidradenitis Suppurativa patients have abnormal hair tracts that may worsen the condition.
research Dihydrotestosterone-Induced Hair Regrowth Inhibition by Activating Androgen Receptor in C57BL6 Mice Simulates Androgenetic Alopecia
DHT stops hair regrowth in mice, similar to human hair loss.
research The Removal of Unwanted Hair Using a Ruby Laser
Ruby laser hair removal significantly reduces hair density.
research Ethnic Hair Disorders: Diagnosis and Management
Understanding and treating hair disorders in different ethnic groups requires knowledge of specific hair care practices and hair characteristics.
research Hair Shaft Abnormalities After Chemotherapy and Tamoxifen Therapy in Patients With Breast Cancer Evaluated by Optical Coherence Tomography
Chemotherapy can cause significant hair thinning and changes in hair texture, while tamoxifen has a smaller effect.
research How Different Is Human Hair? A Critical Appraisal of 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 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.