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Perming and bleaching damage hair differently, with bleached hair having more cysteic acid in the cuticle.

Hair fibers break by cuticle cell slipping, shape changing, cuticle fraying, and surface cracking when stretched under specific conditions.

Two mouse mutants have defective hair cuticle cross-linking.

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

Researchers developed a new model for more realistic computer graphics rendering of hair by considering how light scatters on hair fibers.

Human hair's strength and flexibility vary by ethnicity, damage, and treatment.

Researchers developed a new model for more realistic computer graphics of hair by considering how light scatters on hair fibers.

Papain and bisulfite break down human hair by dissolving parts of it.

Chemical hair straightening changes hair proteins and mostly fixes broken bonds.

Human hair's ability to get wet is complex and can change with treatments, damage, and environment.

Shampoo pH can affect hair health, with alkaline shampoos potentially causing damage and acidic shampoos reducing frizz.

Permanent waving weakens hair by altering its protein structure.

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

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

Hair bleaching causes significant damage to hair and skin.

The research found two types of calcium in human hair, one that varies among individuals and another that is consistent across people.

Bleaching hair causes severe structural and chemical damage, including protein loss and oxidation.

Different populations have distinct hair structures related to their ancestry.

Melanin in black hair protects it from sun damage better than light-brown hair.

Modified keratin binds better to hair, especially bleached hair.

The study found that thioglycolic acid breaks down hair bonds more consistently than l-cysteine, which is less damaging to hair.

Antler velvet hair and body hair of red deer have different structures that help with protection and insulation.

The G60S Connexin43 mutation causes hair growth issues and poor hair quality in mice, similar to human ODDD patients.

Hair lipids do not protect against humidity.

Corkscrew and cigarette-ash-shaped hairs in tinea capitis are caused by internal hair degradation and external resistance.

The cell membrane complex in mammalian hair has three distinct types with different structures and chemical properties.

Holes in mature hair are likely caused by the removal of substances during hair care.

Micrografts promote hair growth in androgenetic alopecia treatment.

Human hair absorbs calcium and magnesium from tap water, affecting its structure and styling properties.

Hair coloring increases copper and calcium uptake, damaging hair and reducing shine.