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Testosterone therapy helped 63% of androgen-deficient women grow scalp hair, but more research is needed.

Testosterone and dihydrotestosterone affect hair growth, and new techniques like the folliculogram help study it, but fully understanding hair growth is still complex.

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.

Finasteride and dutasteride do not significantly change beard thickness in men.

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

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

Human skin makes sexual hormones that affect hair growth, skin health, and healing; too much can cause acne and hair loss, while treatments can manage these conditions.

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.

Androgen receptor activity blocks Wnt/β-catenin signaling, affecting hair growth and skin cell balance.

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.

CGF from platelets helps hair regrowth in people with androgenetic alopecia.

Hair follicles and deer antlers regenerate similarly through stem cells and are influenced by hormones and growth factors.

Minoxidil promotes hair growth in male pattern baldness.

Minoxidil keeps most hair growth from first year and twice-daily use is better with few side effects.

Gender-affirming hormone therapy changes hair growth in transgender people, with feminizing therapy reducing hair and masculinizing therapy increasing it, but sometimes additional treatment is needed.

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

Herbs can potentially treat hair loss by inhibiting a key enzyme and promoting hair growth, and deficiencies in zinc, biotin, and iron are linked to hair loss.

Hormonal changes during and after pregnancy can cause hair growth changes and hair loss, with treatments available for some conditions.

Creating stronger blockers for skin enzymes might lead to better treatment for conditions like acne and excessive hair growth.

Androgens contribute to common male hair loss; more research needed for hair growth medication.

Hair loss in Androgenetic alopecia (AGA) is due to altered cell sensitivity to hormones, not increased hormone levels. Hair growth periods shorten over time, causing hair to become thinner and shorter. This is linked to miscommunication between cell pathways in hair follicles. There's also a change in gene expression related to blood vessels and cell growth in balding hair follicles. The exact molecular causes of AGA are still unclear.

Androgens can both stimulate and cause hair loss, and understanding their effects is key to treating hair disorders.

Congenital Adrenal Hyperplasia is a genetic disorder with two forms, causing symptoms like early puberty and severe acne, but can be identified through screening and treated with glucocorticoids.

Minoxidil effectively treats hair loss, but use cautiously and monitor side effects.

New treatments are available for managing ingrown hair inflammation.

A family showed a new condition with inherited hair loss and skin changes, possibly due to one genetic disorder.

Men with hair loss may lack zinc, copper, and vitamin D; supplements could help.