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

Different treatments change the strength and flexibility of human hair.

The Trichoscan system was found to be inaccurate for measuring hair growth, needing better software to be useful.

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

The new test shows how hair treatments affect hair's bending stiffness by swinging a pendulum through hair fibers.

Wool and hair fibers absorb moisture similarly due to their keratin structure, with the amount of non-crystalline areas affecting the moisture uptake.

The document describes a method for preparing hair for microscopy by embedding it in plastic, cutting it, and storing it cold before imaging.

Drying hair with a microfiber towel better maintains hair strength and structure than using a cotton towel or blow-drier.

Adding 1% hair fibers to brake materials improves friction and wear, making them more effective.

Using wigs, hairpieces, and sprays can help people with hair loss feel better about themselves.

Acidic sandy clay damages archaeological hair the most, while dry conditions preserve but make it brittle; silicone oil can help keep the hair flexible.

Polydopamine is a safe, effective, and permanent hair dye that turns gray hair black in one hour.

Syphilis chancres can be atypical, and fiber implantation for baldness is risky and often fails.

Hair fibers have fractal patterns with properties related to the golden mean, which may affect their functionality.

A gene variation is linked to hair thickness in Asians.

The article concludes that developing in vitro models for human hair structures is important for research and reducing animal testing, but there are challenges like obtaining suitable samples and the models' limitations.

AFM helped show how hair changes under tension and the effects of damage and conditioner.

Advances in genetics may lead to targeted treatments for hair disorders.

Cosmetic treatments like bleaching and perming can greatly reduce opiate levels in hair, possibly leading to false-negative drug tests.

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

Fusion proteins can protect hair from heat damage.

Hair absorbs alkali bromide salts and water, affecting its structure, with absorption decreasing at higher temperatures.

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

Disulfide bonds make keratin in hair stronger and tougher.

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.

Keratin 33A is a key protein in goat winter coats, especially in high-producing breeds.

Water and fatty acids affect hair's surface differently based on hair damage, and models can help understand hair-cosmetic interactions.

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

Researchers developed a less damaging way to extract red dyes from wool using EDTA and DMF, preserving the fiber's strength for further analysis.