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The technique showed that human hair has two main parts, with 68% being rigid and the rest flexible, and water swelling affects its structure.

Hair from breast cancer patients shows changes in structure and composition, and a test using these changes detected cancer but also falsely identified some healthy samples as cancerous.

Glyoxylic acid is a safer alternative to formaldehyde for hair straightening and effectively changes hair structure.

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

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.

The document concludes that understanding how cells in the hair follicle grow and change is important for regulating hair growth.

EGF makes hair follicles grow longer but stops hair production.

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

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

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

Hair care products mainly work on the hair's surface and need professional guidance for use.

The upper half of a human hair follicle can grow a new hair in a mouse, but success is rare.

The hair treatment made hair grow faster and thicker and strengthened the hair roots.

The document concludes that understanding hair's composition and the effects of treatments can lead to better hair care products.

Guasha changed rat skin appearance and blood vessels temporarily without affecting certain nerve proteins or fiber structure.

Colchicine can inhibit hair growth by affecting cell activity and protein expression in hair follicles.

The study found that the Marangoni effect causes the uneven wetting of surfactant-coated hair due to the surfactant moving into the water.

Different oils affect hair flexibility and strength, with their impact varying on whether hair is virgin or bleached.

Sheep and goat hair fibers are complex due to keratin-associated proteins, which are important for fiber properties and growth.

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

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

Lipase H is important for hair follicle function and shaping hair fibers.

The cornified cell envelope forms a protective barrier in skin and hair, using specific proteins and lipids to maintain effectiveness.

The 14-3-3σ gene is essential for preventing hair loss.

Researchers found that the most reachable bonds in wool fibers are near the ends of certain proteins, which help stabilize the fiber's structure.

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

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

Different combinations of human hair keratins affect how hair fibers form.

Hair quality is genetically determined and linked to its composition and strength.

Quantifying hair shape is better than using racial categories for understanding hair characteristics.