Definition: The term "rubescence" is a French word that refers to a type of oil or wax used in traditional Chinese medicine. It is made from the sap of certain plants, such as quails and hens' feet, which are then dried and pressed into a thin film. The oil produced by this process is known as "rubescence," which is then mixed with other ingredients to make a variety of products, including lotions, creams, and lotions. Rubescence has