The intensive treatment contains a brightening active complex of niacinamide and moisturizing polyglutamic acid for a radiant complexion and soft, smooth skin. To use, place the dropper attachment on the ampoule, open it at the perforated edge and then place the dropper attachment on the opened ampoule. Using light pressure, drip half of the contents onto the palms of your hands and apply to the face, neck and décolleté, patting gently until the concentrate is completely absorbed. Then use serum and cream. The application should be repeated morning and evening, avoiding contact with the eyes.