The apple skin is the outer protective layer of an apple, which is a popular fruit known for its crisp texture and sweet flavor. This skin comes in various colors, including red, green, and yellow, depending on the apple variety. It plays a crucial role in protecting the fruit from pests and diseases while also helping to retain moisture. In addition to its protective function, the apple skin is rich in nutrients and dietary fiber. It contains antioxidants, vitamins, and minerals that contribute to overall health. Eating the skin can enhance the nutritional value of the apple, making it a healthier snack option.