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Researchers developed a method to identify and measure different animal hair fibers in textiles, successfully distinguishing materials like cashmere from cheaper fibers.

Hair increases in size when it absorbs water, and treatments like bleaching affect how much water it can take in.

Hair absorbs different substances from solutions based on pH levels.

Hair fibers may have a unique, non-protein sheath not previously identified.

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

Hair is made of strong keratin fibers that protect against the environment.

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

Hair coloring and bleaching can permanently break down hair protein and temporarily change its properties.

Damaged hair allows water to penetrate more easily, and fatty acids from shampoos can deposit on hair surfaces.

Researchers developed a method to identify animal fibers in textiles, which works on processed and blended materials.

Keratin-based scaffolds are safe and effective for tissue engineering.

Pigmented concealing powders can improve the look of hair density for people with hair loss but need daily application and may not work well in wet conditions.

Beautiful hair is flexible and elastic due to its unique double-layered structure and can be enhanced with succinic acid treatment.

Vitamin A deficiency changes cattle hair structure, while pregnancy may improve it, suggesting hair can indicate cattle health.

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

Oxidized hair can naturally regain strength and stability over six months.

Disulfide bonds are crucial for hair's strength, especially when wet.

The Foxn1 gene is essential for normal nail and hair development.

A mutation in mice causes hair loss and skin issues due to a defect in a gene affecting cell adhesion.

Mummy hair from the Taklamakan desert has calcium and phosphorus inside.

Multiphoton microscopy effectively images rabbit skin structures in detail without staining and shows differences from human skin.

The harlequin ichthyosis mouse mutation causes thick skin and early death, resembling a human skin disorder.

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

Hair treatments like bleaching increase friction by exposing tiny pores on the hair surface.

A certain surfactant sticks to human hair, making it change from water-repelling to water-attracting, which could help in hair conditioning.

Adding human hair to clayey soil makes it stronger, even after freeze-thaw cycles, and is eco-friendly and cheap.

The industry should promote pure luxury hair fibers, improve technology, and diversify products to support growers and ensure sustainable use.

Curly and straight hair differ in how their internal fibers are arranged.

Hair's structure and properties change with pH; acidic pH maintains strength and less swelling, while alkaline pH increases water content and swelling.

Polyquaternium 7® builds up on hair, improving its look and feel, and AFM is good for measuring these changes.