Pure essential oil works essential oils are 100 percent pure, natural, paraben-free and therapeutic grade. Guaranteed highest quality, all oils manufactured according to gmp and iso9002 standards. Free of pesticides, fillers, bases, contaminants and artificial ingredients. No animal testing. Pure essential oil works purification blend features a mountain top aroma with a touch of citrus. Recommended for total de-stress, clearing your mind and bringing inner peace. Contains citronella, lemongrass, rosemary, lavindin and myrtle.