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Hair ages due to genetics and environmental factors, leading to graying and thinning, with treatments available for some conditions.

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

EVAL membranes help create cell structures that can regrow hair follicles.

The conclusion is that hair growth can be improved by activating hair cycles, changing the surrounding environment, healing wounds to create new hair follicles, and using stem cell technology.

The gene Foxq1, controlled by Hoxc13, is crucial for hair follicle differentiation.

Scalp cooling is largely ineffective in preventing hair loss from breast cancer chemotherapy.

Cell-based therapies using dermal papilla cells and adipocyte lineage cells show potential for hair regeneration.

Keratin fibrils in hair form and stop growing at specific points in the follicle.

Bidirectional barbed sutures are effective and can reduce surgery time, with a low infection rate and potential cost savings despite being more expensive.

STAT5 activation is crucial for starting the hair growth phase.

Encapsulated human hair cells can substitute for natural hair cells to grow hair.

New techniques for treating scalp blood vessel malformations are effective and can have good cosmetic results.

Microneedle technology is beneficial for drug delivery and could make vaccinations cheaper and more accessible.

Understanding hair follicle biology and stem cell control could lead to new hair loss treatments.

Eating vitamin A affects hair growth and health by changing cell signals in mice.

Using a fractional laser can stimulate hair growth, but the intensity and duration of inflammation are crucial. Too much can cause ulcers and scarring. Lower beam energy and fewer treatments are recommended to avoid damage.

Hair transplant complications can be avoided with proper training and understanding.

Sex hormones, especially estradiol, can change chicken feather shapes and colors.

Chrysanthemum zawadskii extract helps hair grow by stimulating hair cells.

Corrective hair repair surgery can significantly improve appearance and quality of life for patients with unsatisfactory results from old hair transplants.

Melanin density affects hair color, and this method can help in cosmetic assessments and diagnosing hair diseases.

Deer antler stem cell fluid helps regenerate tissue better than fat-derived stem cell fluid.

The study found genetic differences related to hair development that may explain hair loss in a patient with Trichorhinophalangeal syndrome type I.

Hair significantly shapes body identity and social interactions, influencing how we perceive and relate to our bodies.

The new technique PÂTÉ improved the amount of scalp tissue removed in surgeries.

Dynamic, light touch is sensed through a common mechanism involving Piezo2 channels in sensory axons.

UVB radiation changes the chemical makeup and dries out human hair but doesn't alter its appearance or texture.

Unsatisfactory hair restoration results can be significantly improved with strategic hair redistribution and new donor hair placement, despite previous surgery challenges.

Mouse zigzag hair bends form due to a 3-day cycle of changes in hair progenitors and their environment.

Exposure to 50 Hz electromagnetic fields may help mice grow hair faster.