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L-cysteine slows down the breaking of bonds in hair due to electrostatic interactions.

PEI diffuses into hair at a constant rate, and urea speeds up this process.

The KRTAP15-1 gene affects cashmere fiber thickness in goats.

KAP8.2 gene variations affect cashmere quality in goats.

Using an enzyme and keratin treatment can significantly repair and strengthen damaged hair.

Scientists made antibodies to tell cashmere and wool apart, which could improve how we identify animal fibers.

Changes in keratin make hair follicles stiffer.

Hair keratin-associated proteins are essential for strong hair, with over 80 genes showing specific patterns and variations among people.

Disulfide bonds in keratin fibers break more easily under stress, especially when wet, affecting fiber strength.

L-phenylalanine and hydrolyzed eggwhite protein deeply penetrate human hair.

A second domain of high sulfur KAP genes on chromosome 21q23 is crucial for hair structure.

The study found that variations in hair protein genes are likely due to evolutionary deletions or duplications.

Keratin-associated proteins are part of the developing hair fiber cuticle.

Hair proteins have weak spots in their α-helical segments.

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

Atomic Force Microscopy is a more accurate way to assess hair damage and the effect of cosmetic treatments.

Hair analysis for drugs needs a better understanding of how drugs enter hair, considering factors like hair structure and pigmentation.

Keratin fibrils in hair form and stop growing at specific points in the follicle.

Advanced microscopy shows hair damage and keratin proteins' roles, aiding future cosmetic treatments.

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

The KRTAP21-2 gene affects wool length and quality in sheep.

Keratin from hair binds well to gold and BMP-2, useful for bone repair.

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

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

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

Tumor cells in calcifying epithelioma of Malherbe resemble hair follicle cells.

Hair keratins are mainly on macrofibrils in the cortex and in the endocuticle in the cuticle.

Different tests are used to see how hair care products affect hair, and choosing the right test is important for accurate results.

Pollution exposure speeds up hair damage.

Keratin fibers in hair twist left-handed.