Suggested Use: For aromatherapy use. For all other uses, carefully dilute with a carrier oil such as jojoba, grapeseed, olive, or almond oil prior to use. Please consult an essential oil book or other professional reference source for suggested dilution ratios. Natural essential oils are highly concentrated and should be used with care. Clear Thoughts Blend: Add 3 drops of eucalyptus oil, 2 drops of each of peppermint oil and tangerine oil to a diffuser and enjoy. Extraction Method: Steam distilled from leaves and small branches.