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Nanoparticles penetrate hair follicles better when their size matches the cuticula thickness.

Hair cuticles remain stable and resilient under stress due to strong protein content and crosslinking.

Scientists discovered a unique hair protein, KAP24.1, with a special structure, found only in the upper part of hair cuticles.

Better hair care products are needed to protect against grooming and chemical damage.

S100A3 protein is crucial for hair shaft formation in mice.

Monilethrix hair issues are due to problems in the hair's internodes.

South American camelids should be sheared early, fleece type affects fiber quality, and the S/P follicle ratio doesn't distinguish between Bolivian llama genotypes.

Glyoxylic acid is a safer alternative to formaldehyde for hair straightening and effectively changes hair structure.

Toluene diisocyanate exposure can cause immune sensitization by interacting with proteins in hair follicles and sebaceous glands.

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

An unhealthy scalp can damage new hair, but using ZPT shampoo can improve hair health.

The new 3D imaging method accurately measures hair surface details quickly.

Human hair cuticle has five cell layers with specific junctions and granules.

Explosions don't stop hair proteins from being used to identify people.

African hair has the most lipids, while Caucasian hair is more hydrated and stronger.

UV radiation significantly damages hair, especially with humidity, making it more vulnerable to further damage.

The fungus Piedraia hortae damages hair by slowly breaking down its layers, leading to long-lasting infection.

BLMP-1 is important for regular molting and gene expression cycles in worms.

Different oils penetrate hair differently; monounsaturated oils like olive oil penetrate better than polyunsaturated oils.

Human hair's strength comes from a honeycomb-like structure and macrofibrils.

High-resolution x-ray images showed three main structures in human hair: medulla, cortex, and cuticle.

UV radiation damages hair similar to bleaching, but double bleaching causes more severe protein degradation.

The high-cost product with coconut oil and glycerol effectively restores severely damaged hair.