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Human skin produces sex hormones like estrogen and testosterone, influenced by ARO and StAR, which may affect skin elasticity and hair growth.

Phosphatidic acid may help hair grow by affecting cell growth pathways.

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

Using sharp tools and the right techniques in hair transplant surgery leads to less damage to hair follicles.

Chitosan microparticles improve minoxidil sulphate delivery, potentially reducing daily applications.

A systematic approach is crucial for managing hair loss in women.

To diagnose Polycystic Ovarian Syndrome, two out of three signs—irregular periods, high male hormone levels, or cysts on the ovaries—are needed.

Hair breakage may be an early sign of a hair loss condition called CCCA in African American women.

Scarring alopecias are complex hair loss disorders that require early treatment to prevent permanent hair loss.

Lupus can affect the scalp and nails, often causing hair loss and nail damage, and needs early aggressive treatment to prevent permanent damage.

CYLD mutations cause a variety of skin tumors with symptoms starting around age 16, and treatments are currently limited.

Hair problems can be caused by genetics or the environment, and treatment should focus on the cause and reducing hair damage.

EGF and FGF help hair growth by affecting cell differentiation and fiber growth.

Hoxc genes control hair growth through Wnt signaling.

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

Foxi3 expression in developing teeth and hair is controlled by the ectodysplasin pathway.

Recognizing the different stages of alopecia areata is crucial for accurate diagnosis and treatment.

Stem cells have great potential for improving wound healing, but more research is needed to find the best types and ways to use them.

TGF-β2 plays a key role in human hair growth and development.

Disrupting Smad4 in mouse skin causes early hair follicle stem cell activity that leads to their eventual depletion.

All three shampoos reduced dandruff and hair loss, but ketoconazole and piroctone olamine also made hair thicker.

The document concludes that both internal stem cell factors and external influences like the environment and hormones affect hair loss and aging, with potential treatments focusing on these areas.

Heparan sulfate is important for hair growth, preventing new hair formation in mature skin, and controlling oil gland development.

Dermatoscopy and videodermatoscopy are useful and reliable for tracking treatment progress in various skin conditions.

Mice with human gene experienced hair loss when treated with DHT.

The conclusion is that we need more effective hair loss treatments than the current ones, and these could include new drugs, gene and stem cell therapy, hormones, and scalp cooling, but they all need thorough safety testing.

The study found that horizontal sections of scalp biopsies are better for analyzing hair loss, showing fewer hairs and more fine hairs in balding areas.

A special hydrogel helps heal skin without scars and regrows hair.

Hidradenitis suppurativa may be related to hormones and patients often have metabolic disorders; more research is needed to understand this connection.

Melatonin may help treat PCOS symptoms in rats.