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TTD hair is brittle due to fewer sulfur amino acids and unstable disulfide bonds.

Cysteines in wool fibers are accessible and form important disulfide bonds.

Enzymes xylanase and pectinase clean wool and specialty hair fibers effectively without damage, offering an eco-friendly alternative to soap and hot water.

The Cell Membrane Complex in hair has both water-attracting and water-repelling layers.

Oxidizing agents break down keratin in wool and hair, causing swelling and increased solubility.

Cuttlefish ink melanin protects hair from UV damage.

Oxidized trichocyte keratin has a helical dislocation in its structure.

Hydrophobic modifications make human hair less affected by water.

The effectiveness of reducing agents on hair fibers depends on their electrode potentials.

Disulfide bonds affect the melting behavior of hair's crystalline structure, but hair retains some stability even after these bonds are broken.

Hair protein differences help identify species and individuals in forensic science.

Wool keratin is reactive, biocompatible, biodegradable, and can model keratin from other sources.

Hair and wool strength is affected by the number and type of bonds in their protein structures, with hair having more protein aggregates than wool.

Thioglycolic acid and L-cysteine change hair structure differently during perms, affecting hair strength and curling efficiency.

Changing disulfide bonds in human hair affects its melting behavior and thermal stability.

PDI helps restore over-bleached hair's strength and structure by attaching special peptides.

Hair's internal fibers are arranged in a pattern that doesn't let much water in, and treatments like oils and heat change how much water hair can absorb.

Permanent waving weakens hair by altering its protein structure.

Astrotactin proteins are important for brain and skin development and are linked to several neurodevelopmental disorders.

Infrared and Raman imaging can non-destructively analyze hair structure and help diagnose hair conditions.

Disulfide bonds are crucial for hair structure during keratinization.

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

Hair's strength and flexibility come from its protein structure and molecular interactions.

The 3D structure of a key hair protein was modeled, revealing specific helical structures and stabilization features.

Water-soluble wool keratin can protect human hair from damage during treatments.

Human hair keratins can be turned into useful 3D biomedical scaffolds through a freeze-thaw process.

Hair straightening changes hair structure and can cause damage if done wrong, but improvements in the methods are expected to continue.

Keratin peptides can change hair shape gently without harsh chemicals.

Washing permed hair after using thioglycolic acid helps reform strong bonds, making hair stronger.

Using both TGA and DTDG in hair straightening reduces hair damage compared to using TGA alone.