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

Hair properties are interconnected; a comprehensive, cross-disciplinary approach is essential for understanding hair behavior.

Removing external lipids from hair reduces moisture and increases strength, while removing internal lipids decreases water permeability.

Fusion proteins can protect hair from heat damage.

New methods to classify curly hair types were developed based on shape and strength.

The document explains various skin conditions in cats and how to diagnose and treat them.

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

The 2023 guideline for PCOS suggests using updated diagnostic criteria, assessing related health risks, and recommends lifestyle changes and specific treatments for symptoms and fertility issues.

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

Mechanical forces are crucial for shaping cells and forming tissues during development.

Hormones and stretching both needed for nipple area skin growth in mice.

Innovative methods are reducing animal testing and improving biomedical research.

Minoxidil may protect nerves and improve hair quality during paclitaxel treatment.

Forensic hair analysis for drugs is now more reliable and accurate.

Keratin's mechanical properties are influenced by hydrogen bonds and secondary structure, and can be improved with the SPD-2 peptide.

A new hair treatment using a natural polyphenol complex improves hair strength, reduces static, and protects against UV damage.

Future hair cosmetics will be safer and more effective.

Hormones significantly affect women's sexual function, and more research is needed to improve treatments for sexual dysfunction with minimal side effects.

Children generally have milder SARS symptoms than adults, with good outcomes and no deaths reported, but long-term effects are unclear.

The simulation showed that hypobaric pressure improves drug delivery through the skin, but stretching alone doesn't fully explain the increase.

The new hair-dyeing shampoo is safe, colors hair evenly, and strengthens it.

Excessive hair growth in women can be harmless or signal serious health issues, and treatment often includes medication and hair removal, with noticeable results after 3-6 months.

Mechanical force is important for the first contact between skin cells and hair growth in mini-organs.

EtG levels in hair decrease significantly after one month of alcohol abstinence.

New materials help control stem cell growth and specialization for medical applications.

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

The study concluded that a protein important for hair strength is regulated by certain molecular processes and is affected by growth phases.

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

Human hair shows promise for non-invasive medical testing, but more research is needed to standardize its use.

Higher temperatures improve rabbit hair strength up to 50°C, but moisture weakens it.