research Characterization of Hair Lipid Images by Argon Sputter Etching-Scanning Electron Microscopy
Hair texture changes with age due to varying levels of lipids.
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research The Thinning Top: Why Older People Have Less Hair
Old people have less hair because their hair follicles don't regenerate as well, not because of fewer stem cells, and a protein called follistatin might help reactivate hair growth.
research Age-Associated Decrease in GDNF and Its Cognate Receptor GFRα-1 Protein Expression in Human Skin
Human skin has less GDNF and its receptor with age.
research Burden of Post-COVID-19 Hair Loss Among Older Adults in Vietnam
Older adults in Vietnam often experience hair loss after COVID-19, especially women, singles, and those hospitalized.
research Human Hair Shaft Proteomic Profiling: Individual Differences, Site Specificity, And Cuticle Analysis
Human hair proteins vary by individual, body site, and ethnicity, useful for forensics.
research HPA Axis Variation and ACEs: Childhood Sexual Trauma Is Associated With Lower Hair Cortisol in Adulthood
Childhood sexual trauma, especially between ages 5-7, is linked to lower cortisol levels in adult hair, suggesting long-term stress response changes.
research The Impact of AP Collagen Peptides on Hair Shaft Elasticity and Gloss: A Comprehensive Analysis
AP collagen peptides improve hair elasticity and gloss.
research Hair Diameter in Female Baldness
Women with thinning hair have thinner hair strands than women without hair loss.
research Pelage and Molt in the Black-Tailed Deer (Odocoileus Hemionus Rafinesque)
Black-tailed deer have four types of pelages and molt twice a year.
research Age- and Sex-Dependence of Five Major Elements in the Development of Human Scalp Hair
Calcium and magnesium in hair increase with age and are higher in adult women.
research Wound-Induced Hair Neogenesis: A Novel Paradigm for Studying Regeneration and Aging
Wounds can regenerate hair in young mice, but this ability declines with age, offering insights for improving tissue regeneration in the elderly.
research Extract of Plumbago Zeylanica Enhances the Growth of Hair Follicle Dermal Papilla Cells with Down-Regulation of 5α-Reductase Type II
Plumbago zeylanica extract helps hair growth and reduces a hair loss-related enzyme.
research Specific Inhibition of FGF5-Induced Cell Proliferation by RNA Aptamers
RNA aptamers can specifically block FGF5-related cell growth, potentially treating related diseases or hair disorders.
research Investigation of Aging Effects in Human Hair Using Atomic Force Microscopy
Aging makes hair thinner and rougher, with less clear edges.
research Contribution of Hair Density and Hair Diameter to the Appearance and Progression of Androgenetic Alopecia in Japanese Men
Hair thickness matters more than density for baldness in Japanese men over 25.
research Hair Loss Treatment Information on Facebook: Content Analysis and Comparison with Other Online Sources
Most Facebook posts about hair loss treatments are promotional and not medically supported, with better quality information found on YouTube.
research Skin Aging in Women: Pathophysiology and Treatment
The document concludes that skin aging in women can be caused by UV exposure and hormonal changes, and treatments like hormone replacement therapy and various skin therapies can help.
research Female Pattern Hair Loss and Its Relationship to Permanent/Cicatricial Alopecia: A New Perspective
Some women with common hair loss may develop permanent hair loss.
research Different Polyamine Levels in the Vertex and Occipital Hair of Pattern Hair Loss Patients
People with pattern hair loss have higher polyamine levels in the top of their head compared to the back.
research Improvement in Scalp Hair Growth in Androgen-Deficient Women Treated with Testosterone: A Questionnaire Study
Testosterone therapy helped 63% of androgen-deficient women grow scalp hair, but more research is needed.
research Evaluation of Animal Models Suitable for Hair Research and Regeneration
Animal models, especially mice, are essential for advancing hair loss research and treatment.
research Special Forms of Hair Transplantation
The document concludes that specialized hair transplant techniques can be effective, with varying success rates depending on the donor area and patient factors.
research Love Is in the Hair: Arginine Methylation of Human Hair Proteins as Novel Cardiovascular Biomarkers
Human hair protein modifications could potentially indicate heart disease risk.
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 Histological Characteristics of Hair Follicles at Different Hair Cycle and In Vitro Modeling of Hair Follicle-Associated Cells of Yak (Bos Grunniens)
The study provides insights into hair growth mechanisms in yaks.
research Typical Morphological Characteristics of the Skin Structure of the Hair Part of the Normal Human Head and with Hair Loss
Androgenic alopecia causes hair follicle degradation and skin restructuring, but some hair elements remain.
research Hormonal Regulation in Male Androgenetic Alopecia: Sex Hormones and Beyond - Evidence from Recent Genetic Studies
Hormones and genes affect hair growth and male baldness.
research Alpinia Zerumbet: A Review of the Chemistry, Quantity, and Pharmacological Properties of Selected Kavalactones
Shell ginger contains kavalactones that promote hair growth and have anti-cancer, anti-inflammatory, and anti-obesity effects.
research The Endocrinology of Baldness
Hormones and genetics play key roles in male and female baldness, which can affect mental health and may be linked to other health issues.
research Aging Hair Follicles Rejuvenated by Transplantation to a Young Subcutaneous Environment
Old hair follicles grew better when moved to a young environment.