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Asia has made significant progress in tissue engineering and regenerative medicine, but wider clinical use requires more development.

Most dermatologic medications are safe during pregnancy and breastfeeding, but some should be avoided due to potential risks.

A hair-straightening product caused widespread hair loss and scalp injuries, mainly affecting African American women.

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

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

pH, calcium, and reactive oxygen species regulate plant cell growth, with key roles for NADPH oxidases and plasma membrane H+-ATPases.

The document concludes that there are still unknowns about the effectiveness, risks, and detection of performance-enhancing drugs, and doping remains a challenge.

The 3D structure of a key hair protein was modeled, revealing specific helical structures and stabilization features.

The research found that postmortem root bands in hair are likely caused by the breakdown of a specific part of the hair's inner structure after death.

PGA-4HGF may help treat hair loss by activating hair growth pathways and extending the hair growth phase.

Hair lipids do not protect against humidity.

Shampoo pH can affect hair health, with alkaline shampoos potentially causing damage and acidic shampoos reducing frizz.

Procyanidins from grape seeds reduce nerve pain by blocking specific proteins and inflammation.

Disrupting Acvr1b in mice causes severe hair loss and thicker skin.

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.

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.

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.

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

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

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