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Knowing about finasteride's sexual side effects increases reported dysfunction.

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

Tofacitinib is safe and effective for severe alopecia areata, but hair loss may return 2 months after stopping treatment.

Melatonin is important for skin health and protection, and can be made by the skin or applied to it.

Biomaterials with MSC-derived substances could improve tissue repair and have advantages over direct cell therapy.

Guidelines suggest various treatments for alopecia areata, but leaving it untreated is also an option as 80% cases may recover on their own.

Telogen effluvium is a reversible hair loss condition that requires a detailed diagnosis and often resolves on its own.

Diagnosing PCOS in teenagers is challenging and should use strict criteria to avoid misdiagnosis and unnecessary worry.

Stem cells help heal skin wounds by moving and changing roles, working with other cells, and needing more research on their activation and behavior.

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

Certain cells from hair follicles can create new hair and contribute to hair growth when implanted in mice.

Laser hair removal is the most requested cosmetic procedure and has become a scientifically-based treatment suitable for all skin types.

Platelet-rich plasma treatment significantly increased hair regrowth and decreased discomfort in alopecia patients, making it a potentially better and safer treatment option.

PGD2 stops hair growth and is higher in bald men with AGA.

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

Scientists have found a way to create hair follicles from skin cells of newborn mice, which can grow and cycle naturally when injected into adult mouse skin.

A gene called APCDD1, which controls hair growth, is found to be faulty in a type of hair loss called hereditary hypotrichosis simplex.

Ruxolitinib effectively regrows hair in most patients with severe hair loss.

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

Dutasteride and finasteride may reduce sperm count and volume but don't affect movement or shape; effects are reversible after stopping.

The ZIP7 gene helps control zinc levels in cells by moving zinc from the Golgi apparatus to the cytoplasm.

Regulatory T-cells are important for healing and regenerating tissues in various organs by controlling immune responses and aiding stem cells.

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

Hair follicle dermal stem cells are key for regenerating parts of the hair follicle and determining hair type.

Hair follicles significantly increase the speed and amount of caffeine absorbed through the skin.

The 2003 guidelines suggest that while some treatments can regrow hair in alopecia areata, none alter the disease's progression, and wigs may be the best option for extensive hair loss.

Fluoxetine was not effective in treating hair-pulling disorder in the short term.

Epigenetic changes control how adult stem cells work and can lead to diseases like cancer if they go wrong.

Regenerated fully functional hair follicles using stem cells, with potential for hair regrowth therapy.

Oral antiandrogens effectively treat female hair loss, with better results in higher hair loss grades.