Breast enhancement products of Tik Tok is generally untrustworthy and cannot change the shape of the chest. If the appearance of the chest is not particularly beautiful and you want to improve it quickly, you usually need to go to a regular medical institution for breast augmentation surgery, which can make the chest look fuller and more elastic, and at the same time, it can achieve a certain effect of reducing the flattening of the chest. You should still pay attention to rest during the recovery period.