Vitamins in Yangshengtang contain preservatives. If the skin is sensitive, it is best not to use it externally. Honey has many benefits, but at the same time it has a high calorie, which is several times that of sucrose. It is a good choice to use almond powder instead, which can whiten skin, prevent aging and prevent constipation. The water bamboo powder is also good to drink, and the whitening effect is recognized. At the same time, it can regulate endocrine as a diet. Also, the finished products you buy inevitably have additives, such as blended honey grapefruit tea. . . What is natural is king.