research The Lack of Significant Changes in Scalp Hair Follicle Density With Advancing Age
Aging alone barely affects the number of hair follicles, meaning hair loss is minimal without other conditions like androgenetic alopecia.
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research Pediatric Dermatology Photoquiz: A 14-Year-Old Boy with Abrupt-Onset Hair Changes
A 14-year-old boy was diagnosed with a rare hair condition that may lead to hair thinning and has no known effective treatments.
research Hair: A Review of Prominent Scalp Hair Changes Throughout a Female's Life
Women's hair gets thinner and grayer as they age, with treatments available for hair loss and graying.
research Changes in Color of Hair and Feathers
Pilocarpin can cause hair regrowth and color change in some cases but not in others, and it may have side effects in animals.
research The Genetics of Hair Shaft Disorders
The article explains the genetic causes and symptoms of various hair disorders and highlights the need for more research to find treatments.
research Panax Ginseng Extract Antagonizes the Effect of DKK-1-Induced Catagen-Like Changes of Hair Follicles
Panax ginseng extract may help prevent hair loss caused by DKK-1.
research The Psychological and Aesthetic Impact of Age-Related Hair Changes in Females
Hair loss affects women's self-esteem; treatments like minoxidil can help.
research Skin and Hair Changes After Forty
Women over forty can maintain skin and hair health with lifestyle and dietary changes.
research Erythropoietin Promotes Hair Shaft Growth in Cultured Human Hair Follicles and Modulates Hair Growth in Mice
Erythropoietin helps hair grow and could be a potential treatment for hair loss.
research Genetic Interplays Between Msx2 And Foxn1 Are Required For Notch1 Expression And Hair Shaft Differentiation
Msx2 and Foxn1 are both crucial for hair growth and health.
research Control of Human Hair Growth by Neurotrophins: Brain-Derived Neurotrophic Factor Inhibits Hair Shaft Elongation, Induces Catagen, and Stimulates Follicular Transforming Growth Factor Beta 2 Expression
Brain-Derived Neurotrophic Factor (BDNF) slows down hair growth and promotes hair follicle regression.
research Analysis of the Expression Pattern of the Carrier Protein Transthyretin and Its Receptor Megalin in the Human Scalp Skin and Hair Follicles: Hair Cycle-Associated Changes
The proteins transthyretin and megalin are more present in the growth phase of hair, suggesting they might affect hair health and growth.
research An Update of Hair Shaft Disorders
Advances in genetics may lead to targeted treatments for hair disorders.
research Hair Shaft Damage from Heat and Drying Time of Hair Dryer
Using a hair dryer at 15 cm with continuous motion causes less damage than natural drying.
research Keys to the Diagnosis of Hair Shaft Disorders: Part II
Hair shaft disorders, often due to genetics or environment, lack specific treatments but can be managed with gentle hair care and may improve with age or topical treatments.
research Age-Dependent Changes in Damage Processes of Hair Cuticle
Older people's hair cuticles get more easily damaged and lose protective oils, especially in their 40s and 50s.
research Bubble Hair and Other Acquired Hair Shaft Anomalies Due to Hot Ironing on Wet Hair
Using a hot iron on wet hair can cause dry, brittle hair with air bubbles inside.
research Optical Coherence Tomography: Promising In Vivo Measurement of Hair Shaft Cross Section
OCT is a reliable, noninvasive way to measure hair thickness.
research Hair Shaft Defect in a Teenage Girl: Trichoscopy Saves the Day
Trichoscopy helped diagnose a teenage girl's hair loss as monilethrix.
research What Factors Play a Role in Unhealthy Hair?
Environmental, chemical, mechanical, and personal health factors can all damage hair and contribute to hair loss or changes in hair quality.
research Mutations in Three Genes Encoding Proteins Involved in Hair Shaft Formation Cause Uncombable Hair Syndrome
Mutations in three genes cause Uncombable Hair Syndrome, leading to frizzy hair that can't be combed flat.
research Circulatory Changes in Alopecia
The document suggests that the traditional understanding of hair growth cycles and alopecia may be inaccurate and that blood supply plays a significant role in hair growth and loss.
research Morphological Changes in Human Head Hair Subjected to Various Drug Testing Decontamination Strategies
Different hair cleaning methods caused varying levels of damage to the hair's outer layer.
research Hair Shaft Miniaturization Causes Stem Cell Depletion Through Mechanosensory Signals Mediated by a Piezo1-Calcium-TNF-α Axis
Hair thinning causes stem cell loss through a process involving Piezo1, calcium, and TNF-α.
research Hair Morphology in Androgenetic Alopecia
Abnormal cuticle and hair shaft medulla cause hair loss in androgenetic alopecia; sonography helps diagnose and manage it.
research EGFR Controls Hair Shaft Differentiation in a p53-Independent Manner
EGFR helps control how hair grows and forms without needing p53 protein.
research Autoantigen Discovery in the Hair Loss Disorder, Alopecia Areata: Implications of Post-Translational Modifications
New protein changes may be involved in the immune attack on hair follicles in alopecia areata.
research Vitamins and Their Derivatives Synergistically Promote Hair Shaft Elongation via PlGF/VEGFR-1 Signalling Activation
Certain vitamins and their derivatives can help hair grow longer by activating specific growth signals.
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 Early and Late Matrix Progenitors Form the Terminally Differentiated Cell Layers of the Hair Follicle
Early and late matrix progenitors in hair follicles create different cell layers, with early ones forming the companion layer and later ones forming the inner root sheath and hair shaft.