Dilution of Essential Oils
Undiluted use of Essential Oils on the skin can be harmful and potentially cause severe irritation or sensitization.
How to Dilute your Essential Oils-Topical Use. Using a 2% oil dilution is generally considered a guideline for topical application of essential oils on adults when an esential oil does not have a more restricted dermal recommendation within the second edition of the Essential Oil safety by Robert Tisserand and Rodney Young. For children or elderly, cut the dilution in half. With children, use only essential oils regarded as safe for children unless you have educated yoursef very well on aromatherapy for children.