Nivea can tighten the skin to a certain extent, but it is not ideal in dissolving fat. You can try some slimming products from Amway in America. I am using their malic acid chewable tablets myself, and the effect is not bad. I lost nearly 40 pounds in about four months. Because it is a health care product, it has no adverse reaction to my body and has no control over my diet. Think about it! Taobao sells a bottle of 158, which will last for nearly a month. It's not very expensive.