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Japanese women's curved hair has an uneven internal structure and varying amino acid composition.

The new hair graft device is faster, more efficient, and reduces damage to hair follicles.

Mixed-race individuals have hair with varied shapes and more root damage.

The new SFS Scale predicts hair transplant difficulty using hair and skin types, with thick skin and coily hair being hardest to work with.

Four genetic risk spots found for hair loss, with WNT signaling involved and a link to curly hair.

The article explains the genetic causes and symptoms of various hair disorders and highlights the need for more research to find treatments.

Researchers found genes and microRNAs that control curly fleece in Chinese Tan sheep.

Brazilian keratin treatments can straighten hair but may contain harmful formaldehyde.

Chemical hair straightening improves smoothness and shine but may cause side effects, suggesting a need for safer methods.

FUE can be successfully done on African-American hair by using larger punch tools and careful techniques to reduce hair damage.

Scientists created a non-toxic, sugar-based hair product that can style hair without damage.

Chemical and physical treatments like bleaching, dyeing, and UV radiation damage both Caucasian and Afro-ethnic hair.

An 82-year-old man's white hair regained color after taking etretinate for psoriasis.

Hair straightening methods have advanced to improve effectiveness and reduce damage, but still rely on heat and chemicals.

New hair after alopecia areata can be thinner and change color but usually keeps the same shape.

Understanding and treating hair disorders in different ethnic groups requires knowledge of specific hair care practices and hair characteristics.

Genetic differences between young and old Tan sheep explain why their fleece changes from curly to straight as they age.

The editor suggests removing "race" and "ethnicity" from dermatology and creating tools to objectively assess skin color and hair texture.

The article concludes that uniform density hair restoration is generally preferred for its natural look, but the best approach depends on the individual's characteristics and preferences.

New hair perming method using tyrosine is gentler and can be done with a blow-dryer.

The document concludes that proper diagnosis and a combination of medical, hair-care, and surgical treatments are important for managing alopecia in black women.

An 84-year-old man developed a rare scalp condition from a cancer drug but continued treatment as it was otherwise well tolerated.

The study found that in Latin America, ancestry varies by location, influences physical traits, and affects how people perceive their own heritage.

The tropical legume Sesbania rostrata can form nodules in waterlogged conditions using a different method that involves plant hormones and specific genes.

Hair restoration surgery has evolved over time, with a focus on natural-looking results and managing patient expectations, while also considering potential complications and the lifelong progression of male pattern baldness.

Dermatoscopy is a useful tool for diagnosing hair disorders and can help choose samples for more detailed analysis.

A hair-straightening product caused widespread hair loss and scalp injuries, mainly affecting African American women.

Keratin peptides can change hair shape gently without harsh chemicals.

Trichoscopy is a useful tool for diagnosing hair disorders without pulling out hair.

Light microscopy is useful for diagnosing different hair disorders.