Take a glass of warm water and steep a green tea bag into it.Remove the tea bag and pour the contents into the tray.Place the tray into freezer and allow it to form ice cubes Take one ice-cube and rub all over the face.Just note before rubbing the ice cubes steam your face so that the pores get open and the goodness of green tea enter the pores.Do it twice a day in the morning when you get up and before going to sleep.