Apply half an ampoule in the morning and half an ampoule at night.Shake the ampoule so that the liquid remains on the bottom, introduce the neck of the ampoule inside the plastic cap and carefully break the neck of the ampoule at the coloured ring. Place the cap on the ampoule, pour the content onto the palm and apply evenly on previously cleansed face, neck and cleavage, patting gently, before the usual cream (replacing the serum).Shock Treatment: 5 consecutive days.Maintenance: Once a week.Precautions:Not recommended during pregnancy.