Lavender is great for burns I've had to use it with soaping. It works great for itching skin too. My mom use to mix water and vinegar when I was a kid and dab that on the sunburn, it works really good for cooling a sunburn.
The essential oil of lavender is one of the only essential oils that can safely be applied to the skin without diluting it in a carrier oil. Applying lavender oil will take the sting out of the burn, and heal it quickly. It’s calming aromatherapy properties will help to ease the emotional upset of a painful burn.