Egg white can not only whiten skin, but also make skin tender and remove dead skin. This is because it is rich in protein and a small amount of acetic acid and lysozyme. Protein can enhance the skin lubrication, acetic acid can protect the skin slightly acidic, lysozyme can sterilize. Both can prevent the skin from being infected by bacteria. In addition, egg white also has the functions of clearing away heat and toxic materials and enhancing skin immune function.

Extended data:

Paste is an indispensable additive for making sponge cakes, and it is also widely used in all kinds of Chinese and western shortcakes, which can play various emulsifying roles.

The main component of cake oil is a chemical synthetic product-monoglyceride plus palm oil as emulsifier. Palm oil is a kind of saturated fatty acid oil, which will cause cardiovascular diseases in human body if used for a long time.

In the western-style pastry industry, pastry oil is mainly made of eggs, flour and water, and can also be made of vegetable oil, water and milk powder into so-called "fresh cream", which can be made into various patterns and smeared on the surface and interlayer of cakes. The price of this additive is also relatively cheap, and the retail price of a barrel 10 kg is around 80 yuan.

References:

Baidu encyclopedia-cake oil