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Gender affects hair and scalp characteristics, with differences in hormone responses, graying patterns, and trace metals.

Different scalp and hair disorders are more common in certain ethnic groups, with the most common being androgenetic alopecia, which is treated with medications like minoxidil and finasteride.

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.

Manage hair loss from trauma with scalp expansion, advancement flaps, and hair transplantation.

Chemotherapy causes hair loss by damaging hair follicles and stem cells, with more research needed for prevention and treatment.

Minoxidil and finasteride are effective for male hair loss, minoxidil for female hair loss, and various treatments like corticosteroids work for alopecia areata; treatment should be tailored to the individual.

Lasers and light sources can effectively remove hair, work best on fair skin with dark hair, and usually need multiple treatments.

Low-level laser therapy is safe and can increase hair growth for male and female pattern hair loss.

TrichoScan® is a reliable tool for measuring hair growth, providing quicker and more consistent results than manual methods.

Mice are useful for researching human hair loss and testing treatments, despite some differences between species.

Hair loss in women not always linked to increased oil production; other factors may be involved.

Laser and light treatments can effectively remove hair long-term.

Hair follicles are essential for skin health, aiding in hair growth, wound healing, and immune function.

FPHL is common in women, influenced by genetics and hormones, and can be treated with medications, laser therapy, or hair transplantation.

Hair characteristics might be early signs of Type 2 Diabetes and could help with early prevention.

A mutation in the KRT71 gene causes a hair disorder by disrupting hair follicle structure and texture.

Androgens can cause hair growth in some areas but hair loss on the scalp.

Hair changes can indicate systemic diseases or medication effects.

The document concludes that proper diagnosis and evidence-based treatments are crucial for managing hair diseases, and psychological support for patients is important.

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

Home-use lasers and IPL devices are unlikely to directly cause paradoxical hair growth; it may be linked to inflammation or hormonal issues.

Chicken egg yolk peptides can promote hair growth by increasing a specific growth factor.

Preventing hair loss is more effective than regrowth; oral finasteride is a realistic option.

Transplanted hair follicles can change and adapt to new areas of the body, with the immune system possibly playing a role in this adjustment.

Androgens, like DHT, affect hair growth and treatments like finasteride may help.

Androgens play a key role in hair growth and disorders like baldness and excessive hairiness.

The document concludes that hair loss is influenced by genetics and other factors, and while treatments like finasteride can help, they have limitations and side effects.

Afro-textured hair is more fragile and prone to certain scalp conditions, requiring careful treatment and more research for effective management.

Birth control pills and anti-androgen medications help manage hair growth, acne, and hair loss in women with PCOS.

The document concludes that accurate diagnosis and appropriate management are crucial for treating various hair disorders, which have significant psychological impacts.