Invalid. According to the doctor's website, the breast reduction patch can't shrink the chest, only visually. If you want to shrink your chest, you need to treat it by liposuction, breast reduction and plastic surgery, but the effect of breast reduction paste is not obvious: the breast reduction paste sold online can only play an auxiliary conditioning role, and the effect is not particularly obvious; There are health risks: if your skin condition is not particularly good, you will be allergic after using it, and even affect your health.