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Different hair protein amounts change the strength of keratin/chitosan gels, useful for making predictable tissue engineering materials.

High glycine–tyrosine keratin-associated proteins help make hair strong and maintain its shape.

Stretching wool changes its structure and improves fiber alignment.

Type 3 hair oil strengthens hair more than coconut oil.

Friction causes hair breakage during combing, and fragment count predicts hair strength.

Hard α-keratins stay stiff in water because the surrounding matrix keeps them dehydrated and strong.

Cuticle damage doesn't affect hair's tensile strength; the cortex is responsible for it.

Adding human hair fibers and glass micro-spheres to epoxy improves its wear resistance and strength.

Human hair's structure and properties were studied using advanced microscopes and mechanical tests.

Root hair stiffness is mainly influenced by tip compression and turgor pressure.

The trichotillometer is a simple, effective tool for diagnosing and assessing female pattern hair loss.

Water makes hair more flexible, especially the outer layer.

Thicker hair isn't always stronger.

Malnourished people have weaker hair that is easier to pluck.

Hair fibers interact through classical forces, which are influenced by treatments and products, important for hair care and other applications.

The study improved understanding of keratin fiber structure by showing consistent microfibril diameter but varying distances and electron density profiles.

Hair quality is genetically determined and linked to its composition and strength.

Protein-derived ingredients can help strengthen bleached hair.

Pili torti hair is fragile due to loose keratin filaments and weak disulfide bonds.

The study found that hair fragility in Pili annulati may be caused by cavities and damage within the hair shafts.

Sheet formation is key to macrofibril structure differences in wool.

A small molecule can strengthen fine hair, making it more resistant and natural-feeling.

Malnourished people have weaker hair that is easier to pluck.

Root hair growth mechanics depend on turgor pressure and cell wall properties.

Human hair can almost fully recover its structure within about 1,000 minutes after being stretched.