A simple rinse with cold water removes only a small amount of pesticide residues from the skin of apples. A more effective method involves soaking the apples in warm water mixed with baking soda for a few minutes, followed by rinsing several times. This process helps remove the pesticide residues more thoroughly. The apple skin contains valuable fibers and antioxidants, making it preferable to keep the skin rather than peeling the apple. Peeling an apple without realizing it can mean missing out on a significant portion of its nutritional benefits. The skin of an apple is particularly rich in fibers and antioxidants such as carotenoids, anthocyanidins, flavonoids, and quercetin. These compounds help protect cells from damage caused by free radicals, reduce inflammation, and lower the risk of chronic diseases over time. The fibers in the skin also support digestive health, increase the feeling of fullness, and contribute to metabolic and cardiovascular well-being. Therefore, the apple's skin is not just a protective layer; it is a nutrient-rich part of the fruit that should be retained if properly cleaned. A quick rinse under running water, even with cold water, is not sufficient to remove most pesticide residues. This is because many pesticides are sprayed directly onto the fruit and can become permanently absorbed into the skin. To achieve a more effective cleaning, a soak in water with baking soda has shown promising results. In tests on Gala apples treated with two common pesticides—phosmet and thiabendazole—the residues of thiabendazole disappeared completely after 12 minutes of soaking, while phosmet residues were gone after 15 minutes. Even a shorter soak of two to five minutes significantly improves residue removal, and adding a small amount of lemon juice or vinegar to the water can further enhance this effect. Despite these methods, it is important to note that washing only affects the surface of the apple and does not remove substances that may have penetrated the skin. Even after thorough washing, apples from conventional agriculture may still contain traces of certain pesticides, particularly fungicides that can remain in the flesh even after peeling. The skin, while rich in nutrients, can also accumulate substances from fungicides, insecticides, or herbicides. To further reduce exposure, choosing organic apples is a more consistent solution. However, even organic apples should be washed and soaked before eating to ensure that the skin's benefits can be fully enjoyed without any unwanted residues.