All patch ingredients comes from natural herbs and plant extracts. The patch will burn the fat and reduces your weight. 'sIZE REDUCTION EFFECT'' (Reducing 1~2 inches by regular use for 2 months - Clinically tested). As it is for external use only, there is no risk of side effect. Unlike diet pills, it's totally risk-free and no harmful at all. No preservatives / No parabens. Skin Irritation.