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Future hair loss treatments should aim to extend hair growth, reactivate resting follicles, reverse shrinkage, and possibly create new follicles, with gene therapy showing promise.

Acne affects most teenagers and can continue into adulthood, with various treatments available that show improvement but have concerns like antibiotic resistance and side effects.

Some patients taking finasteride or dutasteride may have ongoing sexual problems and depression even after stopping the medication.

5% and 2% minoxidil solutions effectively promote hair growth and reduce hair loss, with 5% being slightly more effective but having more side effects.

Mice lacking the PPARγ gene in their fat cells had almost no fat tissue, severe metabolic problems, and abnormal development of other fat-related tissues.

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

Tiny pollution particles called PM2.5 can harm skin cells by causing stress, damage to cell parts, and cell death.

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.

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.

Hormone therapy for trans individuals is effective and generally safe in the short term.

Early diagnosis and treatment, using finasteride, minoxidil, or hair transplantation, improves hair loss outcomes.

Calcium affects where root hairs grow, but other unknown factors determine their growth direction.

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.

Stress stops hair growth in mice by causing early hair growth phase end and harmful inflammation through a specific nerve-related pathway.

Fungi-produced compounds can change plant root growth.

Hair follicle development and microbes help regulatory T cells gather in newborn skin.

Minoxidil boosts growth factor in hair cells, potentially promoting hair growth.

Hair and wool have complex microscopic structures with microfibrils and varying cystine content.

Researchers found 19 genes important for root hair growth in a plant called Arabidopsis.

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

Special fiber materials boost the healing properties of certain stem cells.

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.

New effective scar treatments are urgently needed due to the current options' limited success.

Trichoscopy is a useful tool for diagnosing different hair and scalp diseases by their unique visual features.

Women look young for their age due to larger lips, less sun damage, and genes that prevent gray hair and wrinkles.

Demodicosis is common and often missed, needing more recognition and treatment in skin care.

Chemotherapy can cause skin problems like hair loss, mouth sores, and skin darkening, and recognizing these can affect treatment decisions.

Lower doses of treatments for hirsutism and acne in PCOS are effective and cause fewer side effects.