How to Use Essential Oils on Skin To avoid skin irritation or allergies, always mix your essential oils with a carrier oil like coconut, jojoba, or almond before putting them on your skin.  A common ratio is to mix 1-2 drops of essential oil with a teaspoon (5ml) of a carrier oil (like jojoba, coconut, or almond oil). Purpose:  In this guide, we're talking about the best practices for using...