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Melanocyte precursors in human fetal skin follow a specific migration pattern and some remain in the skin's deeper layers.

The document concludes that hair loss is complex, affects many people, has limited treatments, and requires more research on its causes and psychological impact.

The document explains what healthy skin, nails, and hair look like on an ultrasound.

Climate-related nutritional stress may cause hair loss in juvenile male Guadalupe fur seals.

The hair growth product was effective and safe, increasing hair growth, thickness, and density while reducing hair fall.

The new microrhizotron tool effectively observes and measures pepper plant roots non-destructively.

Diamond nanoparticles can penetrate skin and reach hair follicles, useful for imaging applications.

Hair disorders are caused by a complex mix of biology, genetics, hormones, and environmental factors, affecting hair growth and leading to conditions like alopecia.

Laser hair removal effectiveness depends on targeting hair structures without harming the skin, and improvements require more research and expert collaboration.

Premature graying of hair may suggest health issues and currently lacks effective treatments.

Monotreme hair structure and protein distribution are similar to other mammals, but their inner root sheath cornifies differently, suggesting a unique evolution from reptile skin.

Thicker hair grows faster; hair loss patients have slower growth.

Latanoprost can make eyelashes longer, thicker, and darker.

The telogen phase of hair growth is active and important for preparing hair follicles for regeneration, not just a resting stage.

Hair elemental analysis could be useful for health and exposure assessment but requires more standardization and research.

Human beard hair medulla contains a unique and complex mix of keratins not found in other human tissues.

Brain hormones significantly affect hair color and could potentially be used to prevent or reverse grey hair.

Better hair care products are needed to protect against grooming and chemical damage.

Changes in keratin make hair follicles stiffer.

Ephrins slow down skin and hair follicle cell growth.

Certain signals are important for reducing specific chemical markers on hair follicle stem cells during rest periods, which is necessary for healthy hair growth.

Many elderly women experience unwanted facial hair and various hair loss conditions, with treatments available for each condition.

Stem cell therapy is a promising approach for hair regrowth despite potential side effects.

Light scatters differently from elliptical hair fibers than from circular ones, and a new model better predicts this behavior, especially for shiny highlights.

Hair's internal fibers are arranged in a pattern that doesn't let much water in, and treatments like oils and heat change how much water hair can absorb.

Wool and hair fibers absorb moisture similarly due to their keratin structure, with the amount of non-crystalline areas affecting the moisture uptake.

Root hairs in maize grow mainly in air-filled pores, limiting their role in nutrient uptake and plant anchorage.

Integrin alphavbeta6 is important for wound healing and hair growth, and blocking it may improve these processes.

The 3D structure of a key hair protein was modeled, revealing specific helical structures and stabilization features.

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.