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

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

Androgens can both promote and prevent hair growth due to differences in gene expression in hair follicles.

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

Estrogens significantly influence hair growth by interacting with receptors in hair follicles and may help regulate the hair growth cycle.

Mouse hair follicle cells briefly grow during the early hair growth phase, showing that these cells are important for starting the hair cycle.

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

The document explains hair growth and shedding, factors affecting it, and methods to evaluate hair loss, emphasizing the importance of skin biopsy for diagnosis.

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.

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

Plant extracts can help prevent hair loss and promote hair growth.

Understanding normal hair growth and loss in children is key to diagnosing and treating hair disorders.

Androgens have complex effects on hair growth, promoting it in some areas but causing hair loss in others, and our understanding of this is still evolving.

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

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.

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

Hair disorders are caused by a complex mix of biology, genetics, hormones, and environmental factors, affecting hair growth and leading to conditions like alopecia.

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

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

Parathyroid hormones are important for hair growth, but their use in treating hair loss from chemotherapy is still uncertain.

Purple sweet potato leaf extracts can help treat hair loss and fungal infections.

Pilose antler extract helps hair grow in mice with a type of hair loss by speeding up the growth phase.

The document concludes that for hair and feather growth, it's better to target the environment around stem cells than the cells themselves.

Sex hormones affect hair and feather growth and may help manage alopecia and hormone-dependent cancers.

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

Some drugs can cause hair loss, excessive growth, or color changes, often reversible but sometimes permanent.

Understanding how hair follicle stem cells work can help find new ways to prevent hair loss and promote hair growth.

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

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.

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