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

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

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 balance of thiol-disulfide in women with hair loss is affected but not damaged.

Permanent wave treatment with thioglycolic acid changes hair structure by altering disulfide bonds.

Changing disulfide bonds in human hair affects its melting behavior and thermal stability.

Disulfide bonds affect the melting behavior of hair's crystalline structure, but hair retains some stability even after these bonds are broken.

Thiol/disulfide balance is normal in male AGA patients but shifts towards oxidative stress with emotional stress and low vitamin D.

Oxidative stress is likely important in causing telogen effluvium, and antioxidants might help treat it.

Selenium disulfide shampoo effectively reduces dandruff and is well-liked by users.

Using selenium disulfide on guinea pigs increased hair loss.

Disulfide bonds make keratin in hair stronger and tougher.

Potassium cyanide treatment changes hair's disulfide bonds, making it more elastic.

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

Scientists successfully created mouse hair proteins in the lab, which are stable and similar to natural hair.

Alkylation of human hair keratin allows for adjustable drug release rates in hydrogels for medical use.

TTD hair brittleness is caused by multiple structural abnormalities.

Keratin peptides can change hair shape gently without harsh chemicals.

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

Enzymes xylanase and pectinase clean wool and specialty hair fibers effectively without damage, offering an eco-friendly alternative to soap and hot water.

Hair is hard to dissolve because of its complex proteins, but certain solvents that break specific bonds and hydrate can do it.

Bleaching hair causes significant damage by breaking down proteins and fatty acids.

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

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

Hair keratins evolved from ancient proteins, diversifying through gene changes, crucial for forming claws and later hair in mammals.

2-iminothiorane hydrochloride improves hair waving permanence without damage.

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

Recombinant keratins can form useful structures for medical applications, overcoming natural keratin limitations.

UV radiation increases protein loss from hair and reduces hair protein quality.

Hair coloring increases copper and calcium uptake, damaging hair and reducing shine.