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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.

Hair ages as the cuticle wears down, especially beyond 1 meter from the root, affecting its strength and shine.

mHa2 and mHa3 keratins have different structures and roles in mouse hair and tongue tissues.

Permanent waving weakens hair by altering its protein structure.

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

S100A3 protein is mainly found in specific parts of human hair cells.

Moisture content significantly affects how human hair breaks.

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.

Hair has unevenly distributed proteins and lipids, with lipids mainly in the cuticle and proteins in the cortex and medulla.

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

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

New anti-acne medications are being tested to offer alternatives to current treatments.

A rabbit gene important for hair development was identified and detailed.

Human hair has a new region with ordered filaments and the cuticle contains β-keratin sheets.

Hair malformations may occur due to timing issues in hair development.

New acne treatments show promise as alternatives to traditional therapies.

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

Human hair has different protein structures in its cuticle and cortex.

Hair follicle cells become four types: medulla, cortex, cuticle, and inner root sheath.

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

Human hair has more unsaturated fats inside than on the surface, and certain lipids may help bind the outer and inner layers together.

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

OCT can identify hair structures, but chemical treatments can damage them.

Sunlight damages hair, causing cuticle loss, protein changes, and discoloration.

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

Hair lipids do not protect against humidity.

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

Some mutant mice have hair with abnormal cross-linking, mainly in the cuticle, not affecting other hair parts.