What Tissues Are Keratinized?

What Tissues Are Keratinized? Keratinized epithelium, is composed of numerous layers of dead squamous cells, which are specially structured to be waterproof and reduce evaporation from underlying tissues. Therefore they constitute an important part of the epidermis or external skin. What body parts are Keratinized? Keratins help form the tissues of the hair, nails, and