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Researchers found genes for cysteine-rich proteins that form the protective layer of hair in humans and sheep.

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

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

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

Juglone from walnut extracts may help repair damaged hair.

New hair perming method using tyrosine is gentler and can be done with a blow-dryer.

PDI helps restore over-bleached hair's strength and structure by attaching special peptides.

S100A3 protein is crucial for hair shaft formation in mice.

Cysteine-rich keratins evolved independently in mammals, reptiles, and birds for hard skin structures like hair, claws, and feathers.

Scientists found out how a specific protein in human hair cuticles behaves and is structured.

N-acetyl-cysteine shows promise in treating various diseases and may improve skin and hair conditions, but more research is needed on dosages and long-term effects.

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

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

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

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

Human hair protein extracts can protect skin cells from oxidative stress.

Understanding how keratin structures in hair are arranged and interact is key for creating methods to extract and purify them.

The document concludes that cosmetics need biocompatible, eco-friendly ingredients due to aging populations and demand for effective products.

The document concludes that understanding sulfation biology is crucial for creating treatments due to its importance in biological functions and disease.

Copper and iron cause keratin damage in hair by converting methionine to homocysteine.

A specific chemical change in the S100A3 protein leads to the formation of a four-part structure important for hair formation.

Scientists discovered a unique hair protein, KAP24.1, with a special structure, found only in the upper part of hair cuticles.

Giving high-quality protein or methionine supplements helps improve hair growth in Angora goats and, to a lesser extent, in Cashmere goats.

Mouse Scube3 affects teeth, tongue, vibrissae, and eye development, but not facial structure or limb growth.

Testosterone is crucial for development, growth, and various body functions in mammals.

Modified pep7, named EPM peptide, effectively promotes hair growth at low concentrations and works well with minoxidil.

Keratin peptides can change hair shape gently without harsh chemicals.

A specific protein in chicken embryos links early skin layers to feather development.

Understanding hair biology is key to developing better treatments for hair and scalp issues.

Minoxidil can help thicken hair in some people with male pattern baldness, especially if used early and continuously.