Blend for onset of PMS symptoms (to be massaged into lower back) 2 drops Clary sage, 2 drops Grapefruit, 1 drop Ylang Ylang In 10mls of carrier oil. Never pour essential oils direct or undiluted in water or to your skin: mix a few drops of essential oil in a base oil, whole milk or cream, and add it to bath water, or a shower gel. 5 to 10 drops of essential oil are sufficient per 10ml of base oil.