Keratin is a fibrous structural protein that forms the fundamental component of various tissues in animals, including hair, nails, feathers, and horns. It is characterized by its strong, flexible, and insoluble nature, making it an essential component of protective structures in the body.

Keratin finds extensive applications in different fields due to its unique properties. One of the main application areas is cosmetics and personal care. Keratin is widely used in hair care products, such as shampoos, conditioners, and treatments. It helps in strengthening and repairing damaged hair by restoring protein levels, improving elasticity, and reducing frizz. Keratin is also used in nail care products for strengthening and promoting healthy nail growth.

In the biomedical and biotechnology fields, keratin has gained attention for its potential applications in wound healing and tissue engineering. Its biocompatibility, bioactivity, and ability to promote cell adhesion make it a valuable component in developing advanced wound dressings, scaffolds, and biomedical implants.

Keratin is also utilized in the production of textiles and fabrics. It imparts desirable properties such as strength, elasticity, and resistance to creasing, making it suitable for applications in clothing, upholstery, and industrial textiles.

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