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Certain micronutrients may improve hair and nail health, but more research is needed to confirm their benefits.

Tandem repeats significantly influence hair color, especially darker shades, across different ancestries.

The mTOR signaling pathway is crucial for hair health and targeting it may lead to new hair loss treatments.

Scientists have made progress in creating replacement teeth, hair, and glands that work, which could lead to new treatments for missing teeth, baldness, and dryness conditions.

Injections of special skin cells showed potential in treating hair loss, with some participants experiencing increased hair density.

Redheaded people have higher levels of a vitamin D precursor, suggesting red hair may be an adaptation for better vitamin D synthesis in areas with less sunlight.

Hair repigmentation can indicate malignancy and should be investigated.

Astragaloside IV may help prevent hair loss by blocking a specific pathway that leads to cell death.

Nanomaterials can improve hair care products and treatments, including hair loss and alopecia, by enhancing stability and safety, and allowing controlled release of compounds, but their safety in cosmetics needs more understanding.

Exosomes can help promote hair growth and may treat hair loss.

Environmental pollutants can damage hair health and cause hair loss.

The document concludes that using stem cells to regenerate hair follicles could be a promising treatment for hair loss, but there are still challenges to overcome before it can be used clinically.

Redheaded people may have evolved to efficiently make vitamin D in areas with less sunlight.

Radiation therapy damages skin structure and immune function, causing inflammation and potential hair loss.

Backhousia citriodora leaf extract effectively reduces oily skin across different ethnic groups.

Thermal imaging is a useful non-invasive method to diagnose active inflammation in frontal fibrosing alopecia.

EPR spectroscopy showed that spontaneous hair growth results in thicker skin and less pigmented hair than depilation-induced growth.

The document suggests using standardized methods to track and measure hair loss in alopecia areata, including patient self-assessment and a 50% improvement in specific scores as a treatment goal.

Gray hair is caused by reduced melanin production or transfer issues, linked to aging and possibly health conditions, with treatments focusing on color camouflage.

Rice water and hibiscus can help improve hair health and growth.

Women's hair gets thinner and grayer as they age, with treatments available for hair loss and graying.

Hair ages due to various factors and treatments like minoxidil and finasteride can help, but more research and better public awareness are needed.

Oxidative stress contributes to hair graying and loss as we age.

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

New hair products are being developed to keep hair and scalp healthy for everyone.

Human hair varies widely and should be classified by curl type rather than race.

Thicker hair grows faster; hair loss patients have slower growth.

Low zinc levels might contribute to early hair graying.

Keratin hydrogels from human hair show promise for tissue engineering and regenerative medicine.

Hair follicle regeneration in skin grafts may be possible using stem cells and tissue engineering.