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Arab hair is generally thicker but less dense compared to other ethnicities, affecting hair disorder diagnosis and treatment.

Reduced androgens linked to kinky hair disorder and hair loss; 5a-reductase inhibitors may help.

Finasteride shows promise for treating hair loss and excessive hair growth, but more research is needed to confirm its effectiveness and safety.

Certain 4-azasteroids are effective at blocking the enzyme that processes testosterone in human skin and could help treat acne, excessive hair growth, and male pattern baldness.

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

Over 50% of women over 50 experience hair loss, with minoxidil being the only proven effective treatment.

Too much androgen can cause hair loss; finasteride may help.

High testosterone to epitestosterone ratio in hair could predict male-pattern baldness.

Dihydrotestosterone can be made from dehydroepiandrosterone in skin cells without needing testosterone.

Plant extracts in shampoo improved hair thickness and density in men with hair loss.

The conclusion is that normal scalp hair counts for Taiwanese people were established, showing age-related differences but not sex or scalp location differences.

Hair restoration surgery techniques can effectively treat scalp deformities and have evolved to provide natural-looking results.

About 21.3% of young, healthy Chinese men experience hair loss. Hairlines are mostly linear or have a central protrusion. Hair is densest on the top and back of the head, and hair follicles usually have 1 or 2 hairs. This information can help in designing hair restoration procedures.

Many treatments for hair loss lack proper testing and FDA approval, so their effectiveness is uncertain.

Stem cell therapy is a promising approach for hair regrowth despite potential side effects.

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

Women's hair grows faster and thicker than men's, but hair growth slows for both genders with pattern hair loss.

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

The study found average numbers for different types of hair follicles in the scalp and observed differences between men and women, suggesting reasons for more common hair shedding in women.

Bacterial communities on scalp hair are unique to each person but consistent across different scalp sites.

Scalp basal cell carcinoma may be more aggressive and harder to treat than other types, requiring special attention and further research.

High-resolution MRI can distinguish between tertiary androgenetic alopecia and severe alopecia areata by measuring scalp and tissue thickness and hair follicle depth.

The document concludes that hair transplantation for Asians should consider unique scalp and hair traits, use small grafts, and combine surgery with medication like finasteride and minoxidil for best results.

Body hairs can be used in forensic science and toxicology like scalp hair.

Male pattern hair loss may be linked to the developmental origins of hair follicles.

Hair loss patterns differ between males and females due to 5 master regulators and JAK-STAT signaling affects hair growth.

The main difference in hair loss for lupus patients is smaller and fewer sebaceous glands.

Scientists don't fully understand eyelash hair follicle biology, including growth and color, and suggest more research is needed.

Bimatoprost, a glaucoma medication, may also help treat hair loss.