Cosmetic products are more difficult to buy online, if it is the bazaar, I suggest not to buy, because many of the existence of A goods, and we consumers can not distinguish between genuine or A goods, if it is not a formal manufacturer of production, there will be a lot of mercury, the skin is very harmful.
Taobao Mall, then, must have a business license and other relevant documents, must have a physical store to be able to. So you choose one carefully, I think it should not be a big problem.