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The document concludes that hair curvature can be explained by the growth patterns caused by the shape and separation of cells in the hair follicle and is affected by specific molecular pathways.

Hair curvature in Japanese people is linked to specific cell types and filament arrangements in the hair cortex.

Two specific hair keratin genes are active during hair growth and decline as hair transitions to rest.

Hair in mammals likely evolved from glandular structures, not scales.

Rice bran extract boosts melanin production in hair follicles.

SV40 T antigen in hair follicles causes abnormal hair and health issues in mice.

Hair proteins have weak spots in their α-helical segments.

KF19418 promotes hair growth similarly to minoxidil but is not better in live mice.

Human hair contains diverse proteins, including keratins and histones, which could help assess hair health and aging.

Hair treatments cause significant structural changes, especially with excessive heat, regardless of ethnicity.

α-type filaments in guinea pig hair follicles have unique structural features.

Hair color is determined by different melanins and changes with age.

Androgens can cause hair growth in some areas and hair loss on the scalp.

Loose anagen hair syndrome is caused by structural abnormalities in the hair follicle's inner root sheath.

Higher doses of cranial irradiation are linked to permanent hair loss.

The TGM3 gene's promoter region is key for skin and hair cell function and may aid gene therapy.

Pigmented casts are common in several hair loss conditions and can help diagnose specific types of alopecia.

Some cancer treatments can cause permanent hair loss.

Keratose, derived from human hair, is a non-toxic biomaterial good for tissue regeneration and integrates well with body tissues.

Hair color is determined by melanin produced and transferred in hair follicles.

The KRTAP11-1 gene promoter is crucial for specific expression in sheep wool cortex.

Drying hair with a microfiber towel better maintains hair strength and structure than using a cotton towel or blow-drier.

Scientists successfully created mouse hair proteins in the lab, which are stable and similar to natural hair.

Body hairs can be used in forensic science and toxicology like scalp hair.

Persistent radiation-induced hair loss is dose-dependent, and treatments like topical minoxidil can be effective.

Disulfide bonds in keratin fibers break more easily under stress, especially when wet, affecting fiber strength.

Hair and nails are skin parts that develop early and serve protective and functional roles.

Pollution exposure speeds up hair damage.

The B2 genes are crucial for hair growth in rats.

Growing hair follicles have high mitochondrial activity and ROS in specific regions, aiding hair formation.