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Hair is important for protection, social interaction, and temperature control, and is made of a growth cycle-influenced follicle and a complex shaft.

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

Curcumin applied to the skin can start hair growth in mice.

The back of the scalp has more nerve fibers than the front, which may explain why some people feel more sensitivity there.

Hair pattern in androgenetic alopecia overlaps with scalp and bone demarcations, with distinct gene profiles affecting susceptibility.

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

Partial hair follicle extraction can effectively double the number of hair follicles for transplants, with most surviving and growing normally after a year.

Eating a balanced diet with the right vitamins and minerals is important for healthy hair, but too many supplements can be harmful.

Nanoparticles can be used to deliver drugs to hair follicles, potentially improving treatments for conditions like acne and alopecia, and could also be used for vaccine delivery and gene therapy.

Putting thymidine dinucleotide on newborn mice's skin can delay and reduce skin cancer.

Activating β-catenin in certain skin cells speeds up hair growth in mice.

Rice bran extract boosts melanin production in hair follicles.

Reflectance spectroscopy can noninvasively track hair growth stages by measuring skin reflectance and melanin changes.

Somatostatin may help protect hair follicles from immune attacks.

Transplanted baby mouse skin cells grew normal hair using a new, efficient method.

Certain Ayurvedic herbs may help manage premature greying of hair.

Aging causes hair to gray and thin, with the timing of graying varying by race, and factors like oxidative stress and genetics can lead to hair loss.

Hair follicles may soon be used more for targeted and systemic drug delivery.

Hair follicles greatly increase caffeine absorption through the skin shortly after it's applied.

The document explains hair biology, the causes of hair loss, and reviews various hair loss treatments.

Some medications might reverse gray hair, especially those that reduce inflammation or stimulate pigment production, and vitamin B might help.

New hair transplant method allows for hair regrowth in the donor area and less scarring.

Androgens can both increase body hair and cause scalp hair loss.

White hairs often regrow in alopecia areata patches.

The document explains how to create detailed biological pathways using genomic data and tools, with examples of hair and breast development.

Lamivudine might reverse hair graying and needs more research for potential treatments.

Early anti-aging hair treatments should focus on anti-inflammatory agents and promoting healthy hair growth cycles.

Gray hair is caused by oxidative stress damaging hair cells.

Melanoma's complexity requires personalized treatments due to key genetic mutations and tumor-initiating cells.

Polydopamine is a safe, effective, and permanent hair dye that turns gray hair black in one hour.