Oil-Burner: Aromatherapy oil burner worked by heating a few drop of essential oils in a water bowl set above a tea light candle. Aromatherapy oil burner is the easiest way to benefit from essential oil’s scent, You also can try a simple blend to go with an oil burner. For a starter, put 6 drops of essential oil or blends to freshen up your room. Using heat destroys any therapeutic benefits of the oil. So this is for fragrance use.