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

SCF and c-Kit decrease in AGA hair follicles, possibly affecting hair pigmentation and growth.

Hormone therapy affects hair growth in transgender individuals, with testosterone potentially causing hair loss in trans men and estrogen reducing facial/body hair in trans women; treatment options vary.

Animal models are crucial for learning about hair loss and finding treatments.

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

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

Cooling the scalp may prevent hair loss from chemotherapy, hair often grows back after treatment, and nail issues usually improve after stopping the drug.

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

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

Hair greying is seen as a sign of aging; temporary fixes like hair dye are used, but a balanced diet and hair care can help manage it.

Certain groups may need vitamin supplements to improve hair health and prevent other health problems.

The document concludes that targeting 5α-reductase, the androgen receptor, and hair growth genes, along with using compounds with anti-androgenic properties, could lead to more effective hair loss treatments.

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

The document concludes that electrolysis and thermolysis can permanently remove hair but calls for better regulation to ensure safety, and notes a possibility of hair regrowth and rare complications.

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

Iron deficiency might contribute to hair loss in women.

Animal models, especially mice, are essential for advancing hair loss research and treatment.

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

Some drugs can cause hair loss, change hair color and shape, or increase hair growth, and treatment may involve stopping the drug or using specific hair growth treatments.

The enzyme that changes testosterone to a stronger form is mostly found in the part of the hair follicle called the dermal papilla.

The IPL device is safe, effective, and has high patient satisfaction for hair removal.

Azathioprine can cause unusual hair loss, which may reverse after stopping the drug.

Spironolactone may help treat excessive hair growth in girls, but more research is needed.

Scalp tourniquets did not significantly prevent hair loss from chemotherapy.

Dermoscopy is useful for tracking alopecia areata treatment, with yellow dots and new vellus hairs being good indicators of hair regrowth.

Most women with excess hair growth have an underlying hormonal issue, often treated with medication and hair removal methods.

The document concludes that more research is needed to understand excessive hair growth in women with normal hormone levels and regular ovulation.

New treatments and early diagnosis methods for permanent hair loss due to scar tissue are important for managing its psychological effects.

Hirsutism in women often indicates a hormonal imbalance and can be managed with a combination of hormonal treatments and hair removal methods.

Scientists have found specific genes linked to different hair loss conditions, which could lead to new treatments.