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The guidelines advise against using testosterone and DHEA in women for most conditions due to safety and effectiveness concerns, but suggest considering testosterone for postmenopausal women with low sexual desire.

TGF-β is crucial for tissue repair and can cause diseases if not properly regulated.

Patients need long-term care after bariatric surgery to manage potential nutritional and metabolic issues.

Low iron and L-lysine levels can cause hair loss in women, and increasing these nutrients can reduce hair shedding.

A protein from certain immune cells is key for new hair growth after skin injury in mice.

Chitin and chitosan are useful in cosmetics for oral care, haircare, and skincare, including UV protection and strength improvement.

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

Stem cells are crucial for skin repair and new treatments for chronic wounds.

Cells from balding scalps have more androgen receptors than cells from non-balding scalps.

The document concludes that understanding hair follicle biology can lead to better hair loss treatments.

Eph receptors and ephrins may be promising targets for treating diseases, but more understanding is needed for effective and safe therapies.

Insulin resistance and obesity are key factors in the development and worsening of polycystic ovary syndrome, and lifestyle changes are important for managing it.

Melatonin may help with sleep issues, depression, and cancer, but more research is needed.

The guidelines suggest a detailed approach to diagnosing and treating lupus, with a focus on regular check-ups, personalized medicine, and a range of drug options for different cases.

The skin is a complex barrier for drug penetration, but understanding its structure and interactions can improve drug delivery methods.

Androgens can both increase and decrease hair growth in different parts of the body.

Iron deficiency may be related to hair loss, but there's not enough evidence to recommend iron screening or supplements for all hair loss patients.

Stem cell niches are crucial for regulating stem cell renewal and differentiation, and understanding them can help in developing regenerative therapies.

Overexpression of activin A in mice skin causes skin thickening, fibrosis, and improved wound healing.

Lactate production is important for activating hair growth stem cells.

Lecithin organogels could be good for applying drugs to the skin because they are stable, safe, and can improve drug absorption.

Sebocytes play a key role in controlling androgen levels in human skin.

Visible light can damage skin and most sunscreens don't block it well; more research is needed on its effects and protection methods.

Alopecia areata is likely an autoimmune disease with unclear triggers, involving various immune cells and molecules, and currently has no cure.

Androgens may cause hair loss by increasing TGF-beta1 from scalp cells, which inhibits hair cell growth.

The document concludes that developing generic topical drugs requires ensuring they match the original in quality, composition, and structure, and often involves complex testing and regulatory steps.

Skin cells produce and activate vitamin D, which regulates skin functions and supports hair growth.

Opioid painkillers can cause many side effects, including breathing problems and addiction, but are generally considered safe when used properly.

The PDGF/PDGFR pathway is a potential drug target with mixed success in treating various diseases, including some cancers and fibrosis.

A substance called DKK-1 increases in balding areas and causes hair cells to die when exposed to DHT.