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.
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research Particulate Matter 2.5 Damages Skin Cells by Inducing Oxidative Stress, Subcellular Organelle Dysfunction, and Apoptosis
Tiny pollution particles called PM2.5 can harm skin cells by causing stress, damage to cell parts, and cell death.
research Biomechanical Properties of Scalp Flaps and Their Correlations to Reconstructive and Aesthetic Surgery Procedures
Scalp flaps are stiffer than skin from other body areas, which helps in planning reconstructive and cosmetic head surgeries.
research Mercedes Flap With Releasing Incisions for Scalp Defects
The new Mercedes flap variant effectively closed medium-sized scalp defects in a single operation with good cosmetic results and no complications.
research Exogen Hair Characterization in Human Scalp
The conclusion is that exogen is a unique hair cycle phase and the new sampling method specifically targets this stage, which may help in future hair loss research.
research Hair Resistance to Mechanical Wear
Hair's resistance to wear varies by ethnicity and treatment, with less wear indicating stronger hair.
research Exogenous Testosterone Alone or with Finasteride Increases Physical Performance, Grip Strength, and Lean Body Mass in Older Men with Low Serum Testosterone
Testosterone therapy improves physical function, strength, and body composition in older men with low testosterone levels.
research The Rotterdam Study: 2016 Objectives and Design Update
The Rotterdam Study found risk factors for elderly diseases, links between lifestyle and genetics with health conditions, and aimed to explore new areas like DNA methylation and sensory input effects on brain function.
research The Rotterdam Study: 2014 Objectives and Design Update
The Rotterdam Study aims to understand disease causes in the elderly and has found new risk factors and genetic influences on various conditions.
research The Rotterdam Study: 2012 Objectives and Design Update
The Rotterdam Study updated its design and objectives in 2012, providing insights into various diseases in the elderly, including skin cancer, bone health, liver disease, neurological and psychiatric conditions, and respiratory issues.
research The Rotterdam Study: 2010 Objectives and Design Update
The Rotterdam Study aims to understand various diseases in older adults.
research Sex Hormones and Sarcopenia in Older Persons
Sex hormone treatments can increase muscle mass in older adults but have inconsistent effects on muscle function and may carry cardiovascular risks.
research Measurement of Hair Growth
Scalp hair grows at 0.37 mm/day, forearm hair at 0.18 mm/day, and thigh hair at 0.30 mm/day, with no significant differences found in people with certain hair conditions.
research Exogenous and Endogenous Lipids of Human Hair
Removing external lipids from hair reduces moisture and increases strength, while removing internal lipids decreases water permeability.
research Keratin-Based Particles for Protection and Restoration of Hair Properties
Keratin-based particles safely improve hair strength, smoothness, and heat protection.
research High Circulating Estrone and Low Testosterone Correlate with Adverse Clinical Outcomes in Men with Advanced Liver Disease
Men with advanced liver disease and high oestrone and low testosterone levels have worse health outcomes.
research In Vitro Methodologies to Evaluate the Effects of Hair Care Products on Hair Fiber
Different tests are used to see how hair care products affect hair, and choosing the right test is important for accurate results.
research A Clinical Trial to Investigate the Effect of Cynatine HNS on Hair and Nail Parameters
Cynatine HNS improves hair and nail quality in 90 days.
research Environmental Exposure to Platinum Group Elements Released by Automotive Catalytic Converters: The Risk for Children
Children are at risk of health issues from exposure to platinum group elements from car exhausts.
research External Lipid Function in Ethnic Hairs
African hair has the most lipids, while Caucasian hair is more hydrated and stronger.
research Increased 25(OH)D3 Level in Redheaded People: Could Redheadedness Be an Adaptation to Temperate Climate?
Redheaded people may have evolved to efficiently make vitamin D in areas with less sunlight.
research Alpha-1 Adrenergic Receptor Agonist Induced Piloerection Protects Against the Development of Traction Alopecia
Using a certain drug on the skin can help prevent hair loss caused by pulling on the hair.
research Cosmetic Approach for Healthy and Damaged Hair
Hair can't be reliably repaired once damaged; prevention and proper product use are key to maintaining hair health.
research Investigating the Role of Obesity, Circadian Disturbances, and Lifestyle Factors in People with Schizophrenia and Bipolar Disorder: Study Protocol for the SOMBER Trial
The trial aims to understand how obesity and lifestyle affect circadian rhythms in people with schizophrenia and bipolar disorder.
research Assessment of Multidimensional Health Care Parameters Among Adults in Japan for Developing a Virtual Human Generative Model: Protocol for a Cross-Sectional Study
The study aims to create a model to improve personalized and preventive health care.
research Increased Calcidiol Level in Redhaired People: Could Redheadedness Be an Adaptation to Temperate Climate?
Redheaded people have higher levels of a vitamin D precursor, suggesting red hair may be an adaptation for better vitamin D synthesis in areas with less sunlight.
research Styling Without Shedding: Novel Topical Formula Reduces Hair Shedding by Contracting the Arrector Pili Muscle
A new topical solution safely reduces hair shedding by 38% on average by tightening a muscle in the scalp.
research Cosmetic Approach for Healthy and Damaged Hair
Cosmetic procedures can harm hair, but damage can be minimized with knowledge and care; however, once hair is damaged, it cannot be reliably repaired.
research International Society of Hair Restoration Surgery
Various techniques and tools for hair restoration were presented in 1998, including a mathematical model for donor area, use of lasers in surgery, methods for controlling grafted hair direction, and ways to increase graft yield. Satisfaction rates were around 39%, and studies showed trauma and dehydration can damage hair follicles.
research Effects of Lifelong Testosterone Exposure on Health and Disease Using Mendelian Randomization
Higher testosterone levels can increase the risk of certain diseases like type 2 diabetes in women and prostate cancer in men, but can also protect against autoimmune diseases and hair loss. It also affects body fat and bone density.