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

Keratin fibers in hair twist left-handed.

Polymers can be designed to mimic natural cell environments for medical uses.

Heating hair proteins changes their structure and may improve their blood clotting ability.

An allele of the KRTAP13-2 gene may improve wool quality in sheep.

Older thin hair is not just thinner but also has different shape, structure, and stiffness.

Most people have similar hair protein patterns, but a rare variant was found in two women.

Tongue cancer cells show more plectin-1 than non-cancer cells, but both have similar levels of trichohyalin.

The KRTAP13-3 gene affects wool fibre diameter variability in Chinese Tan sheep.

Hydrangea serrata extract may promote hair growth and improve hair health.

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

Biopolymers are increasingly used in cosmetics for their non-toxicity and skin benefits, with future biotech advancements likely to expand their applications.

Different androgen concentrations affect wool-related gene expression differently in Hetian and Karakul sheep breeds.

Hair coloring and bleaching can permanently break down hair protein and temporarily change its properties.

Alopecia Areata causes significant structural and compositional changes in hair.

Polysaccharide-based nanofibers are promising for better wound healing.

Keratins are crucial for tissue strength, and mutations in keratin genes can lead to various diseases, highlighting the need for targeted therapies.

Proteomic analysis can identify genetic differences in mouse hair, helping understand hair defects and variations.

Using food industry waste and fermentation can create sustainable cosmetics.

AIRE protein, defective in APECED patients, is found in skin and hair cells and interacts with cytokeratin 17.

Surfactants in shampoos and conditioners remove some but not all lipids from hair, and more research is needed to understand their full impact.

The document concludes that more research is needed to reduce frequent hospital visits, addiction medicine education improves with specific training, early breast cancer surgery findings are emerging, nipple smears are not very accurate, surgery for older melanoma patients doesn't extend life, a genetic condition in infants can often be treated with one drug, doctors are inconsistent with blood clot medication, a certain gene may protect against cell damage, muscle gene overexpression affects many other genes, and some mitochondrial genes are less active in mice with tumors.

Rice derivatives in conditioners protect and improve hair health.

Pigmented papules on the ear can be a rare skin condition called cutaneous amyloidosis, treatable with topical tretinoin.

Lotion with fucoidan from brown seaweed improved skin and reduced allergy symptoms in mice with dermatitis.

AP collagen peptides improve hair elasticity and gloss.

Bio-based electrospun fibers improve wound healing but face production and regulatory challenges.

Human hair keratin can be used in many medical applications.

Vertebrate skin evolved to be more specialized and complex, especially in land animals.

Repetin is a protein involved in skin and hair development, binding calcium and compensating for other proteins when needed.