When applying essential oils on your skin (in most cases,like 99% of the time) - you need to dilute the oil before applying it to your body. You do this by using a carrier oil. Carrier oils are things such as coconut oil, avocado oil, fragrance free lotions, jojoba oil, the list goes on.
Keep in mind, that ALL essential oils are HIGHLY concentrated. When applying to the body a mixture to the body for most adults we use a 2.5%-5% dilution rate depending on the issue at hand. That means the majority of our mixture is based on the carrier oil or cream. Choose a carrier cream that you body responds well to.
Here is a quick video about carrier oils.