All of our candles and wax melts are infused with pure certified essential oils as the primary fragrance. Even though we would love to use 100% essential oils in all our candles, research has shown that certain essential oils will have little to no fragrance throw if used by themselves in candles. In addition to essential oils, we also use a premium essential oil-based, phthalate-free fragrance to help improve the fragrance throw and balance the scent in some of our candles. Our EO Collection 100% essential oils with no added fragrances.