Home and auto fragrance (air fresheners) cleaner, healthier + safer. in. every. way. simply put, we only choose ingredients that are healthier for people, pets, and the planet: pure fragrance oils, sustainably sourced paper and pulp, natural starch, and natural silica―materials that are biodegradable, recyclable, and leave as little impact on the earth as possible. plus, our patented technology allows us to use only the purest fragrance oils in concentrated form, without any of the nasty stuff you definitely don't want to be breathing.