Guide to Diluting Essential Oils
Undiluted Use of Essential Oils On the Skin Can Be Harmful and Potentially Cause Severe Irritation or Sensitization. I often see aromatherapy authors and educators that pass along the rule of thumb that it is safe to use some essential oils on the skin, most particularly lavender and tea tree, without first diluting them in a carrier oil. Using essential oils on the skin without diluting them is referred to as applying them "neat." Never Put Undiluted Essential Oils On Your S