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Premature graying of hair may suggest health issues and currently lacks effective treatments.

Dogs could be good models for studying human hair growth and hair loss.

Light scatters differently from elliptical hair fibers than from circular ones, and a new model better predicts this behavior, especially for shiny highlights.

Hair loss in women is complex to diagnose and treat, and hair restoration should be done by experts. Using minoxidil before surgery can help manage post-surgery hair shock loss. The Follicular Unit Transplantation method is recommended for women due to its speed, no need for shaving, and better graft quality. Strategies like L, T, and reverse L patterns can help restore central hair density, and regenerative methods can improve graft survival in hair transplants.

Human hair shows promise for non-invasive medical testing, but more research is needed to standardize its use.

Platelet-rich plasma, taken from a person's own blood, can help rejuvenate skin, stimulate hair growth, and treat hair loss, but more research is needed to confirm its safety and effectiveness.

Chrysanthemum zawadskii extract may help treat hair loss by promoting hair growth and affecting growth factors.

Scalp cooling can help prevent chemotherapy-induced hair loss with a 50-90% success rate and is safe for patients.

Hibiscus rosa-sinensis is effective and safe for use in herbal soaps and hair oils, promoting skin and hair health.

Eyebrow transplants use hair from the scalp or pubic area, with blonde hair looking more natural, and can leave scars depending on the method used.

Men with hair loss may lack zinc, copper, and vitamin D; supplements could help.

Research on "hair cloning" for hair loss shows potential for hair thickening but has not yet achieved new hair growth in humans.

Nanotechnology could improve hair regrowth but faces challenges like complexity and safety concerns.

Researchers found genetic mutations causing hypohidrotic ectodermal dysplasia in 88% of studied patients and identified new mutations and genetic variations affecting the disease.

Heat stress changes goats' skin and hair at the microscopic level and affects their genes and skin bacteria.

Black tea extract at 5% concentration promotes the most hair growth.

Assessing newborn scalp hair can reveal important health information.

Hair grows faster in the morning and is more vulnerable to damage from radiation due to the internal clock in hair follicle cells.

Hair growth environment recreated with challenges; stem cells make successful skin organoids.

Reflectance spectroscopy can noninvasively track hair growth stages by measuring skin reflectance and melanin changes.

Certain DNA variants can predict straight hair in Europeans but are not highly specific.

The document concludes that hair follicular unit transplantation is an effective method for eyebrow and eyelash reconstruction, with patients happy despite needing regular trimming.

Exosomes are important for skin health and could help diagnose and treat skin diseases.

EGF makes hair follicles grow longer but stops hair production.

Children's hair grows in different types from before birth through puberty, with growth rates and characteristics varying by age, sex, and race.

The article concludes that the global hair trade is exploitative and reflects complex cultural and economic issues.

Detailed patient history and physical exams are crucial for diagnosing hair loss.

The document concludes that minoxidil and finasteride are proven for hair growth, herbal remedies show promise, but more research is needed to confirm their effectiveness.

Early and personalized treatment for hair loss in young people is crucial to prevent permanent damage and should include psychological support.

Nanog gene boosts stem cells, helps hair growth, and may treat hair loss.