A healthy and natural super-food, CBD is diluted in oil (such as hemp seed oil or olive oil) for sublingual use or in the form of capsules to make it easier to use. absorption. CBD oil can also be used as a soothing massage oil. In its purest form, CBD crystal mixes easily with any preparation. Applied to the skin in the form of balm or ointment, CBD is very effective in relieving itching due to insect bites.