Is Yu Meijing's hand getting whiter and whiter?

Yu Meijing became whiter and whiter on her hands because she was not completely emulsified. Emulsification is the function that one liquid is uniformly dispersed in another immiscible liquid in the form of tiny droplets. Tianjin Yumeijing Group has scientific research achievements and core technologies, and has passed the certification of provincial and municipal enterprise technology centers, and applied for patents 136, including 2 international invention patents, 5 domestic invention patents and 13 utility model patents.