M any people believe that natural ingredients are always preferable in beauty products. Natural must mean better, right? But what if that’s not entirely true: Those natural essential oils you love in your skincare? More than 90% of a plant is typically discarded during the oil extraction process, with the remains left to decompose in landfills where they emit carbon dioxide and methane. That perfume with a whiff of rose? It takes 250,000 petals to create five milliliters of rose oil. The eye-