(1/8 oz.) Try this for a headache or migraine. Contains 100% Pure Essential Oils of Basil, Chamomile, Eucalyptus, Lemon, Grapefruit, Helichrysum, Melissa, Lavender, Marjoram, Peppermint, Rosemary, Spearmint and Sandalwood. (Comes with one dropper Pipette.) Place 4 drops in a diffuser or for a soothing soak place 10 drops or use the whole vial in bath water or foot bath. Rubber dropper with glass stem sold separately.