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Androgens like testosterone affect hair growth and oil production differently across body parts and individuals.

Premature graying of hair may suggest health issues and currently lacks effective treatments.

Genetic mutations can cause hair growth disorders by affecting key genes and signaling pathways.

Hormones, nutrition, and seasonal changes regulate hair growth cycles, with androgens extending growth phases and factors like aging and malnutrition affecting hair loss and thinning.

Trichoscopy is a useful tool for diagnosing hair disorders without pulling out hair.

Finasteride potentially treats hair loss by reducing DHT production.

Light microscopy is useful for diagnosing different hair disorders.

Balding hair follicle cells are smaller, grow less well, and need more effort to culture than non-balding cells.

Hair restoration surgery can effectively increase pubic hair density, with patient satisfaction and natural results largely depending on the chosen hair pattern and graft design.

Hair style affects perceptions of age, health, and attractiveness more than hair color does.

Hair restoration for East Asians should consider their unique characteristics like head shape, hair thickness, and hair density, and use modified procedures and treatments to minimize scarring and maintain hair density.

Hair transplant surgery successfully restored a woman's pubic hair, improving her appearance and satisfaction.

Testosterone can both promote hair growth and cause baldness by affecting hair growth signals.

Hair transplantation successfully restored a woman's pubic hair with natural-looking results and few complications.

Genetics, stress, and health issues can cause early hair greying, which affects self-esteem, and there's no cure, only hair dye.

Genetic mutations cause various hair diseases, and whole genome sequencing may reveal more about these conditions.

Early hair loss in men and women may indicate a higher risk of heart disease and metabolic problems.

The document concludes that specialized hair transplant techniques can be effective, with varying success rates depending on the donor area and patient factors.

Nonshaven follicular unit extraction is a highly satisfactory method for restoring pubic hair.

Pubic hair transplantation can help women with little to no pubic hair, using scalp hair for a natural look and requires careful aftercare.

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

The document concludes that understanding the genes and pathways involved in hair growth is crucial for developing treatments for hair diseases.

Hair growth is influenced by interactions between skin layers, growth factors, and hormones, but the exact mechanisms are not fully understood.

Environmental factors at different levels control hair stem cell activity, which could lead to new hair growth and alopecia treatments.

Steroidogenic isoenzymes may help improve treatments for common hair loss.

Both immature and mature fat cells are important for hair growth cycles, with immature cells promoting growth and mature cells possibly inhibiting it.

Cyproterone acetate reduced hair growth in most hirsute females and made hair softer, thinner, and lighter.

Dihydrotestosterone affects hair growth by changing the Wnt/β-catenin pathway, with low levels helping and high levels hindering growth.

Dermal papilla cells are key for hair growth and could help us understand and treat hair loss.

A new plant extract from Avicennia marina could potentially be used to treat common hair loss.