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 Analysis of Morphological Changes on the Hair Surface by Heat Perm Treatment Method
Direct heat perms cause more damage to hair than softening heat perms.
research IL-33 Contributes to the Pathological Changes of Hair Follicles in Psoriasis: A Potential Target for Psoriatic Alopecia
IL-33 is linked to hair follicle damage in psoriasis and could be a treatment target for hair loss in this condition.
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 Characterization of Hair Lipid Images by Argon Sputter Etching-Scanning Electron Microscopy
Hair texture changes with age due to varying levels of lipids.
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 Comparative Characterization of Human Meibomian Glands, Free Sebaceous Glands, and Hair-Associated Sebaceous Glands Based on Biomarkers, Analysis of Secretion Composition, and Gland Morphology
Meibomian glands are highly specialized and differ significantly from other sebaceous glands in structure and function.
research Hair and Nail Involvement in Lupus Erythematosus
Lupus can cause hair loss and nail changes, with treatments available for both.
research Molecular Evolution of HR, a Gene That Regulates the Postnatal Cycle of the Hair Follicle
Changes in the HR gene have influenced hair growth and may lead to hair loss conditions in humans.
research Keratin Network Modifications Lead to the Mechanical Stiffening of the Hair Follicle Fiber
Changes in keratin make hair follicles stiffer.
research Skin Transcriptome Reveals the Periodic Changes in Genes Underlying Cashmere Follicle Transition in Cashmere Goats
The study identified key genes that regulate the growth cycle of cashmere in goats, which could help improve breeding strategies.
research Charge Density Alterations in Human Hair Fibers: An Investigation Using Electrostatic Force Microscopy
The study found that a polymer treatment changes the charge on hair surfaces, making bleached hair smoother and less porous.
research STIM1 R304W in Mice Causes Subgingival Hair Growth and Increased Trabecular Bone Fraction
The STIM1 R304W mutation in mice leads to bone changes and teeth hair growth.
research Cyclical Dermal Micro-Niche Switching Governs the Morphological Infradian Rhythm of Mouse Zigzag Hair
Mouse zigzag hair bends form due to a 3-day cycle of changes in hair progenitors and their environment.
research Possible Relationships Between the Physical Conditions of Cattle and the Occurrence of Structural Modifications of Their Coat Hair
Vitamin A deficiency changes cattle hair structure, while pregnancy may improve it, suggesting hair can indicate cattle health.
research Reflectance Spectroscopy for Noninvasive Evaluation of Hair Follicle Stage
Reflectance spectroscopy can noninvasively track hair growth stages by measuring skin reflectance and melanin changes.
research Profiling the Response of Human Hair Follicles to Ultraviolet Radiation
UVB radiation harms hair growth and health, causing cell death and other changes in human hair follicles.
research Age-Associated Thin Hair Displays Molecular, Structural, and Mechanical Characteristic Changes
Older thin hair is not just thinner but also has different shape, structure, and stiffness.
research Skin Physiology in Microgravity: A 3-Month Stay Aboard ISS Induces Dermal Atrophy and Affects Cutaneous Muscle and Hair Follicles Cycling in Mice
A 3-month stay in space causes skin thinning, disrupts hair growth, and changes muscle-related genes in mice.
research Disorders of the Hair and Nails
The document reviews various hair and nail disorders, their causes, and treatments, emphasizing the need for proper diagnosis and the link between nail changes and systemic diseases.
research Patients With Profuse Hair Shedding May Reveal Anagen Hair Dystrophy: A Diagnostic Clue of Alopecia Areata Incognita
Some people with heavy hair shedding might actually have a hidden form of alopecia, which can be identified by specific hair changes.
research Nutrition and Hair Health: The Impact of Nutritional Deficiencies
Certain groups may need vitamin supplements to improve hair health and prevent other health problems.
research Trichoscopic Signs in Systemic Lupus Erythematosus: A Comparative Study with 109 Patients and 305 Healthy Controls
Trichoscopy is useful for diagnosing and monitoring systemic lupus erythematosus, with certain hair and scalp changes indicating more active disease.
research Regression of Pathological Changes Induced by Long-Term Administration of Contraceptive Steroids to Rodents
Some steroid-induced health issues in rodents improved after stopping treatment, but hair loss and eye problems did not.
research The Early Changes in Mouse Skin Following Topical Application of a Range of Middle Distillate Oil Products
Different oil products cause varying levels of skin irritation in mice, which could potentially lead to tumors.
research Analysis of the Scalp of Women with AIDS Subjected to Autopsy: Epithelial, Follicular, and Immunologic Aspects
AIDS may cause changes in the scalp that increase infection risk and hair loss.
research Discovery of a Sol–Gel Reinforcing the Strength of Hair Structure: Mechanisms of Action and Macroscopic Effects on the Hair
A small molecule can strengthen fine hair, making it more resistant and natural-feeling.
research Skin Aging and Menopause: Implications for Treatment
Menopause can lead to skin and hair problems due to hormonal changes, but hormone replacement therapy might help slow these effects.
research Smad7-Induced Beta-Catenin Degradation Alters Epidermal Appendage Development
Too much Smad7 changes skin and hair development by breaking down a protein called β-catenin, leading to more oil glands and fewer hair follicles.
research Coactivator MED1 Ablation in Keratinocytes Results in Hair-Cycling Defects and Epidermal Alterations
Deleting MED1 in skin cells causes hair loss and skin changes.