Special edition: Clean & Ethical – ‘Better for you, better for the planet’ Beauty Essential oils have 'enormous versatility’ as natural fragrance source in cosmetics: Review 04-May-2021 By Kacey Culliney Essential oils have seen a revival in cosmetics over the past few years and will continue to surge, appreciated for their ability to impart a wide range of natural, unique and pleasant fragrances but also pack a bioactive punch, says a review.