The GoodLight Apothecary Jar creates a beautiful amber glow when burning, and can be re-purposed after the candle has burned out. We like it for spices in the kitchen, travel size toiletries, and paper clips. For tips on how to clean out the jar, check the FAQs. Lavender has long been used in aromatherapy for its relaxing and soothing properties, so it's not surprising that it is one of the most popular candle scents. But with 39 species in the Lavandula genus of flowers and a wide variety of cross-pollinated hybrids to choose from, finding the very best pure essential oil for our candles took some time. Judging from the feedback we've received, we picked the right one.