Our slimming essential oils contain Angelica sinensis and castor seeds. It can improve circulation, speed up metabolism, burn calories, and burn excess fat. The way to use it is simple: 1. Apply the essential oil 2. Rub it up and down in front of the stomach 3. Push the sides inward 4. Back of abdomen 5. Massage two with fists. And can provide nutrients for the cells, activate the cells to tighten the skin, make the skin firm and elastic.