research Normal Hair Growth in Children
Children's hair grows in different types from before birth through puberty, with growth rates and characteristics varying by age, sex, and race.
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research Evaluating Hair Growth Promoting Effects of Candidate Substances: A Review of Research Methods
The document concludes that while lab results for hair growth promotion are promising, human trials are needed and better testing methods should be developed.
research Androgens and Hair: A Biological Paradox with Clinical Consequences
Androgens can both increase body hair and cause scalp hair loss.
research Stress, Hair Growth Control, and the Neuro-Endocrine-Immune Connection
Stress may affect hair growth by influencing hair follicle development and could contribute to hair loss.
research Exposure to Gamma-Rays at the Telogen Phase of the Hair Cycle Inhibits Hair Follicle Regeneration at the Anagen Phase in Mice
Gamma-rays exposure during the resting phase of hair growth can damage hair regeneration and color in mice.
research Diseases of the Hair and Nails
Stress, nutritional issues, and chronic diseases can cause hair loss, and nail changes may signal internal diseases; treatment focuses on the underlying cause.
research Hair Follicle Melanogenesis Reflected in Hair Pigmentation as a Developmental Factor in Alopecia Areata
Hair color is not a risk factor for developing alopecia areata.
research A New Technique for Quantitative Analysis of Hair Loss in Mice Using Grayscale Analysis
Researchers developed a new, precise method to measure hair loss in mice using image analysis.
research Non-Invasive Assessment of Hair Regeneration in Androgenetic Alopecia Mice In Vivo Using Two-Photon and Second Harmonic Generation Imaging
New imaging techniques show testosterone delays hair growth and shrinks follicles in mice, but have limited depth for viewing.
research Healthy Hair: Form and Function
Hair health is influenced by genetics, aging, and environmental factors, with proper care needed to maintain it.
research Morphological Approach to Hair Disorders
Accurate clinical, histological, and genetic methods are key for understanding and treating hair disorders.
research Hair Removal Using a Long-Pulsed Alexandrite Laser
The long-pulsed alexandrite laser is effective for hair reduction, particularly for light-skinned individuals with dark hair, but caution is needed for darker skin.
research The Phytocannabinoid (–)-Cannabidiol Operates as a Complex, Differential Modulator of Human Hair Growth: Anti-Inflammatory Submicromolar Versus Hair Growth Inhibitory Micromolar Effects
CBD can either reduce inflammation and not affect hair growth at low levels or inhibit hair growth at high levels.
research Hair Coloration by Gene Regulation: Fact or Fiction?
Gene regulation could revolutionize hair color by altering pigmentation from within.
research Sox2 in the Dermal Papilla Regulates Hair Follicle Pigmentation
Sox2 controls hair color by affecting pigment production in hair follicles.
research Paracrine Secreted Frizzled-Related Protein 4 Inhibits Melanocyte Differentiation in Hair Follicle
A protein called sFRP4 from skin cells stops the development of pigment-producing cells in hair.
research Repigmentation of Gray Hair After Thyroid Hormone Treatment
Gray hair regained color after thyroid hormone treatment.
research The Involvement of Androgens in Human Hair Growth
Androgens play a key role in hair growth and disorders like baldness and excessive hairiness.
research Laser for Hair Removal: A Review of Technologies and Efficacy
Lasers are FDA-approved for permanent hair reduction, not removal, and more research is needed to improve treatments.
research Growth of the Hair
Hair growth is cyclic and influenced mainly by local factors.
research Pharmacologic Inhibition of JAK-STAT Signaling Promotes Hair Growth
Blocking JAK-STAT signaling can lead to hair growth.
research Hair Follicle Immune Privilege and Its Collapse in Alopecia Areata
Hair follicles are normally protected from the immune system, but when this protection fails, it can cause hair loss in alopecia areata.
research Neural Mechanisms of Hair Growth Control
Nerves and chemicals in the body can affect hair growth and loss.
research Melanocyte Subpopulation Turnover During the Human Hair Cycle: An Immunohistochemical Study
Melanocyte activity in hair follicles is linked to the hair growth cycle, being active in growth phases and inactive in rest phases.
research Hair Depigmentation Is a Biological Readout for Pharmacological Inhibition of KIT in Mice and Humans
Hair color loss can indicate the effectiveness of a drug targeting the KIT protein in mice and humans.
research Current and Potential Agents for the Treatment of Alopecia Areata
Current and future treatments for alopecia areata focus on immunosuppression, immunomodulation, and protecting hair follicles.
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 Identification of Telogen Markers Underscores That Telogen Is Far from a Quiescent Hair Cycle Phase
Telogen is an active phase with important biological processes, not a resting phase.
research The Success of Thread-Embedding Therapy in Generating Hair Regrowth in Mice Points to Its Possible Effect in Humans
Thread-embedding therapy helped hair grow back in mice and might do the same in humans.
research Transplants from Balding and Hairy Androgenetic Alopecia Scalp Regrow Hair Comparably Well on Immunodeficient Mice
Hair from balding and non-balding areas regrows similarly on mice.