Not easy. The water-retaining agent is a phosphorus-free water-retaining agent, which is safe and secure to use. The chicken feet added with water-retaining agent are soft, waxy, delicious, easy to fall off the bones, can be stored for a long time, and are not easy to spoil. Water-retaining agent is a common additive for frozen meat. It can prevent the meat from dehydration after freezing, thawing, and heating. In layman's terms, it can make the meat gain weight and become tender.