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Hair growth is influenced by various body and external factors, and neighboring hairs communicate to synchronize regeneration.

A certain surfactant sticks to human hair, making it change from water-repelling to water-attracting, which could help in hair conditioning.

Hormones and neuroendocrine factors control hair growth and color, and more research could lead to new hair treatment options.

The conclusion is that we need more effective hair loss treatments than the current ones, and these could include new drugs, gene and stem cell therapy, hormones, and scalp cooling, but they all need thorough safety testing.

Some plants may help with hair growth and have fewer side effects than synthetic drugs, but more research is needed to confirm their effectiveness.

Growing hair follicles have high mitochondrial activity and ROS in specific regions, aiding hair formation.

Safflower (Carthamus tinctorius) extract helps hair grow and could be used in hair products.

Hair follicle regeneration in skin grafts may be possible using stem cells and tissue engineering.

Accurate clinical, histological, and genetic methods are key for understanding and treating hair disorders.

Men's hair loss is caused by hormones and genes, and can be treated with medication and surgery, while graying is due to aging and has no prevention except dyeing.

Human hair has a protective lipid layer that can be damaged by moisture and treatments, affecting hair growth and health.

The conclusion is that exogen is a unique hair cycle phase and the new sampling method specifically targets this stage, which may help in future hair loss research.

Human hair follicle dermal cells can effectively replace other cells in engineered skin.

Smad1 and Smad5 are essential for hair follicle development and stem cell sleepiness.

PI3K/Akt pathway is crucial for hair growth and regeneration.

The conclusion is that future hair loss treatments should target the root causes of hair thinning, not just promote hair growth.

Activating NRF2 might help treat hair disorders by improving antioxidant defenses.

Immune cells help regulate hair growth, and better understanding this can improve hair loss treatments.

The article concludes that the global hair trade is exploitative and reflects complex cultural and economic issues.

The study found that mouse sweat glands develop before birth, mature after birth, and have specific keratin patterns.

Hair can regrow in large wounds through a process similar to how hair forms in embryos, and understanding this could lead to new treatments for hair loss or scarring.

Dogs could be good models for studying human hair growth and hair loss.

Smad4 is important for healthy hair follicles because it helps produce a protein needed for hair to stick together and grow.

New method measures female hair loss: Female Pattern Hair Loss Severity Index (FPHL-SI).

Researchers created early-stage hair-like structures from skin cells, showing how these cells can self-organize, but more is needed for complete hair growth.

Cholesterol balance is important for hair health, and problems with it can lead to hair loss conditions.

Cashmere and milk goats have different hair growth cycles and gene expressions, which could help improve wool production.

Key genes regulate hair follicle phase changes in Inner Mongolia cashmere goats.

The document concludes that understanding hair follicles requires more research using computational methods and an integrative approach, considering the current limitations in hair treatment products.

Morroniside may help hair grow and stay in its growth phase by affecting certain cell signals.