Lavender is our most requested scent and we searched and tried many for almost a year before landing on a blend that we created with the perfect lavender that will remind you of your favorite essential oil with a touch of patchouli to round it out. Buttercupp Candles are highly scented 100% soy, phtalate free, zinc free, cotton wicks. Scent strength 2.8 oz melt: Recommended to be used with tea light or electric warmers. 8 oz: Perfect for a medium sized Scent strength and burn times: Melts: 24 hours per ounce. For best results use an electric melter that doesn't need a bulb, we find these to be the strongest. 8 oz: 65 hours. Perfect for a medium-sized room or in a small room for a strong scent. 14 oz: 85 hours. Best for larger rooms or a very strong scent in a small space.