Yeast stock solution is a very comprehensive product, which not only has corresponding benefits to skin, but also promotes health to some extent. The functions and efficacy of yeast stock solution are reflected in the following aspects. On the one hand, yeast stock solution will make the skin dull, because yeast stock solution has whitening effect, which can make the skin whiter and whiter. On the other hand, the function and efficacy of yeast stock solution lies in that it can accelerate the metabolism of skin melanin, thus improving skin dark yellow and spots to varying degrees. Thirdly, the efficacy and function of the enzyme stock solution is that it can remove free radicals from the body and skin, slow down the aging of the skin and make the body's immunity stronger and stronger. The above is the function and efficacy of yeast stock solution. In fact, in addition to the above functions and functions, it can also dilute fine lines, balance skin oil at the same time, and avoid excessive oil secretion and acne. It is a good product.