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Children's hair grows in different types from before birth through puberty, with growth rates and characteristics varying by age, sex, and race.

Alopecia areata is a reversible, autoimmune-related hair loss that can have significant emotional impact and uncertain treatment effectiveness.

The review concludes that accurate diagnosis of different types of hair loss requires proper biopsy techniques and understanding the hair growth cycle and underlying causes.

Nanoparticles around 600-700 nm can effectively enter and stay in hair follicles for days, which may help in delivering drugs to specific cells.

Activating the Sonic hedgehog gene in mice can start the hair growth phase.

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

The microneedle device with rapamycin and epigallocatechin gallate effectively promoted hair regrowth in mice.

Hair follicles are important for drug delivery through the skin, but better methods are needed to understand and improve this process.

Adult human skin can grow new fine hair follicles after a deep exfoliation treatment.

Platelet-rich plasma, which carries growth factors, could be a promising treatment for non-scarring hair loss, promoting hair growth and density with no major side effects.

People with pemphigus vulgaris and pemphigus foliaceus often have smaller sebaceous glands on their scalp.

Fetuin A, Anigozanthos Flavidus extract, and Ovol2 affect wound healing and skin regeneration.

The study confirmed that changes in hair structure in women with hair loss conditions matched what is taught in beauty college trichology courses.

Sandalwood oil promotes hair growth and delays hair loss in mice.

RCM and OCT are effective for diagnosing and monitoring hair-related skin diseases but lack standardized protocols and need more research.

New method uses hair follicles to deliver drugs deep into the skin.

Dyeing hair can help target and destroy hair follicles selectively.

Fractional CO2 laser treatment significantly boosts drug and nanoparticle skin absorption, especially through hair follicles.

Natural ingredients like plant extracts and marine life show promise for improving scalp health and reducing hair loss.

Deeper microneedling boosts hair growth, with 0.6mm needles and minoxidil being most effective.

The article concludes that the wool follicle is a valuable model for studying tissue interactions and has potential for genetic improvements in wool production.

The human hair follicle can store topical compounds and be targeted for drug delivery with minimal side effects.

The SAFE System may improve hair transplant results but isn't suitable for everyone.

Eyelashes protect the eyes, but more research is needed to understand how.

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

Hair follicle stem cells are promising for wound healing but require more research for safe clinical use.

Local injections of nanosized rhEPO can speed up skin healing and improve quality after deep second-degree burns.

HDAC6 helps keep ovarian follicles dormant, extending female fertility.

Hair regeneration needs dynamic cell behavior and mesenchyme presence for stem cell activation.

The conclusion is that proper signaling is crucial for hair growth and development, and errors can lead to cancer or hair loss.