Trouble minus complex soothes skin mildly and eases comfortably. Controls sebum and creates clean skin without stimulation. Fine holes of coal enhance absorption power and control sebum to create clean skin. Far-infrared radiation and anion helps relaxation and full of mineral enhances moisture. 5 non-added additives to ampoule (Non-artificial colors, non- artificial fragrance, non-alcohol, non-benzophenone, non-mineral oil) : 4 non-added additives to sheet (Non-artificial colors, non- fluorescence brightening agent, non-benzophenone, non-mineral oil) : 2 step that fits black sheet (coal of chestnut tree) after using ampoule.