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Hair can't be reliably repaired once damaged; prevention and proper product use are key to maintaining hair health.

Correcting trace element imbalances may help reduce alopecia areata symptoms.

Cosmetic procedures can harm hair, but damage can be minimized with knowledge and care; however, once hair is damaged, it cannot be reliably repaired.

Finasteride 1 mg every other month works as well as daily dose for hair loss maintenance.

Off-pump heart surgery reduces complications without affecting survival rates compared to on-pump surgery.

The document concludes that mouse models are helpful but have limitations for skin wound healing research, and suggests using larger animals and genetically modified mice for better human application.

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.

Wnt signaling controls whether hair follicle stem cells stay inactive or regenerate hair.

Sonic hedgehog signaling is crucial for hair growth and maintaining hair follicle identity.

Some vitamins and minerals like vitamin D and iron can help with certain types of hair loss, but more research is needed for others.

Laminin-511 is crucial for early hair growth and maintaining important hair development signals.

Scientists turned mouse stem cells into skin cells that can grow into skin layers and structures.

Hair ages due to genetics and environmental factors, leading to graying and thinning, with treatments available for some conditions.

Grafted rodent and human cells can regenerate hair follicles, but efficiency decreases with age.

Mannosylerythritol lipids are good for skin and hair care products.

Correcting nutrient deficiencies may help with hair loss, but the benefits of supplements without a deficiency are uncertain and could be harmful.

Excessive selenium from a supplement caused toxicity but patients recovered with care.

The document concludes that follicular unit transplantation offers more natural results and better graft survival than older hair transplant methods.

Zinc deficiency in children can cause skin issues and can be serious if not diagnosed and treated properly.

5-alpha reductase inhibitors can cause sexual side effects like erectile dysfunction and reduced sexual desire, sometimes lasting after stopping the drug.

Shampoos are designed to clean and improve hair and scalp health, with specific ingredients for different hair types and conditions.

Made 8 minoxidil samples; 1 cocrystal, 7 salts formed.

Most low-level light therapy studies did not accurately report how light was measured, affecting treatment reliability.

Microneedle technology has improved drug delivery and patient comfort but needs more research for broader use.

People with alopecia areata often have lower levels of vitamin D, zinc, and folate, but more research is needed to understand if supplements can help treat it.

Scientists found a way to grow human hair cells in a lab that can create new hair when transplanted.

The study showed that hair follicle stem cells can maintain and organize themselves in a lab setting, keeping their ability to renew and form hair and skin.

Nanoparticles around 600-700 nm can effectively enter and stay in hair follicles for days, which may help in delivering drugs to specific cells.

Microneedling can help stimulate hair growth, especially when used with other treatments, but it's not better than existing therapies.