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Keratin

Definition: Keratin

Keratin is a strong, fibrous structure of proteins that are found in skin, hair, nails, and teeth. It is made from amino acids that bond together and form a protective layer. If damaged, skin, hair, and nails commonly become weak and unhealthy looking. This is why you will often find keratin in hair products (to help strengthen the hair shaft and give it resiliency) and in skincare treatments (to help with moisture loss and firmness).

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