research Variation and Heritability in Hair Diameter and Curvature in an Australian Twin Sample
Hair diameter and curvature are mostly determined by genetics.
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research High-Throughput Phenotyping Methods for Quantifying Hair Fiber Morphology
The study developed high-throughput methods for quantifying hair fiber morphology, focusing on curvature and cross-sectional shape, using a new Python package called fibermorph. It involved 140 individuals of mixed African-European ancestry and found that correlations between hair curvature and cross-sectional shape were not significant when accounting for ancestry, suggesting these were due to population structure rather than genetic linkage. The research introduced a novel method using polycaprolactone plastic for embedding hair, improving scalability and accuracy. The study emphasized the importance of quantitative methods to avoid racial stereotyping in hair morphology studies and provided open-source tools for further research.
research Straight to the Point: What Do We Know So Far on Hair Straightening?
Hair straightening can damage hair and pose health risks, including exposure to carcinogens and hair loss.
research The Impact of Shampoo Wash Frequency on Scalp and Hair Conditions
Washing hair daily is better and preferred, with no negative effects.
research HIF-2α/ARNT Complex Regulates Hair Development via Induction of p21 Waf1/Cip1 and p27 Kip1
The HIF-2α/ARNT complex is important for hair follicle development by controlling cell growth.
research An Update on Diagnosis and Treatment of Female Pattern Hair Loss
Updated treatments for female hair loss include minoxidil, antiandrogens, hair transplants, and light therapy.
research Dermal Papilla Regulation of Hair Growth and Pigmentation
Dermal papilla cells are key for hair growth and color, influencing hair type and size, and their interaction with stem cells could help treat hair loss and color disorders.
research Clinical Hair Loss: Diagnosis and Treatment
The review suggests limited treatments for common hair loss conditions, with potential for future improvements.
research Structural Analysis of Human Hair Fibers Under the Ultra-High Voltage Electron Microscope
Human hair structure varies by ethnicity, and certain treatments can improve hair condition and appearance.
research Effect of Cosmetic Hair Treatment and Natural Hair Color on Hair Testosterone Concentrations
Cosmetic hair treatments can increase hair testosterone levels, while natural hair color does not affect it.
research A Review on Forensic Toxicological Analysis of Drugs in Hair Using Various Instrumental Techniques
Hair analysis is better than urine and blood for detecting past drug use.
research Advances in the Chemical Structure of the Hair Surface, Surface Forces and Interactions
Understanding hair surface properties is key for effective hair care products.
research High-Throughput Phenotyping Methods for Quantifying Hair Fiber Morphology
Quantifying hair shape is better than using racial categories for understanding hair characteristics.
research 3D Modelling for Solar Erythemal UV Protection Provided by Human Hair
Human hair provides more UV protection when aligned and at higher angles, but the scalp still gets UV exposure.
research Human Hair as a Testing Substrate in the Era of Precision Medicine: Potential Role of Omics-Based Approaches
Human hair shows promise for non-invasive medical testing, but more research is needed to standardize its use.
research Hair Growth Stimulation by a Natural Remedy: Animal Studies
The plant extract remedy Satura® Rosta promotes hair growth and regrowth without negative effects.
research Beard Transplants and Facial Hair Trends: Why Men Are Motivated to Have Surgery
Men are getting more beard transplants to look better and follow fashion trends.
research Tensile Properties of Twisted Hair Fibers
Twisting hair weakens it, but strength can be recovered at low twist levels.
research Pilose Antler Extracts Promote Hair Growth in Androgenetic Alopecia Mice by Activating Hair Follicle Stem Cells via the AKT and Wnt Pathways
Pilose antler extracts help hair growth by activating hair follicle stem cells.
research Integrating Herbal Components Into Pharmaceutical Formulations for Hair Woes
Herbal ingredients like aloe vera and hibiscus can help with hair problems like hair loss and dandruff.
research The Impact of Particle Size of Nanostructured Lipid Carriers on Follicular Drug Delivery: A Comprehensive Analysis of Mouse and Human Hair Follicle Penetration
400 nm particles penetrate hair follicles best, but mouse models aren't fully reliable for human studies.
research Physical and Mechanical Properties of the Hair Shaft: A Review of Measurement Techniques to Verify the Efficacy of Cosmetic Products
Different techniques measure hair properties to ensure cosmetic products work.
research Review of Herbal Hair Serum: Rosemary, Hibiscus, Neem
The herbal hair serum with rosemary, hibiscus, and neem is safe and effective for hair care.
research Formulation and Evaluation of Herbal Hair Oil
Herbal hair oil made with natural ingredients helps reduce hair loss, dandruff, and graying.
research Stress-Related Hair Loss Among the General Population in Al Majma'ah, Saudi Arabia: A Cross-Sectional Study
Stress significantly contributes to hair loss, especially in women and those aged 31-40.
research Research Progress in Composition, Classification and Influencing Factors of Hair
Lipids are important for healthy hair, but their exact role is not fully understood and needs more research.
research Segmental Hair Analysis as a Retrospective Testosterone Diary: Possibilities and Pitfalls
Segmental hair analysis can track testosterone over time but needs adjustments for sex, hair color, and washing frequency.
research Hair Growth Promoting Activity of Helianthus Annuus in Testosterone Induced Alopecia in Mice Model
Sunflower oil was found to promote hair growth in mice with hormone-induced hair loss.
research Segmental Hair Analysis - A Retrospective Testosterone Diary?
Hair analysis can somewhat track past testosterone levels but is influenced by factors like hair washing, growth rate, sex, and hair color.
research A Reciprocal Lattice Approach to Assessing the Luster of Hair Fibers, Based on Scattering by Periodically Deformed Cylinders
A new method helps understand hair shine and various products improve hair care.