95% of cake houses are made of plant whipped cream, which has high melting point, long-lasting shape and low cost, but contains a lot of trans fatty acids. In addition, hydrogenated oil is harmful to the body, and it cannot be metabolized after being absorbed by the human body, which affects health.

The United States has banned the addition of hydrogenated vegetable oil to food.

If home-made Mu Si is made with animal whipped cream and the room temperature is 30 degrees 15 minutes, "tears" will begin.