We know that how beauty products are packaged matters greatly from a sustainability perspective with recycling but the jars, tubes, and bottles that they’re housed in are also important for protecting the integrity of the ingredients and making sure they’re most efficacious. Luckily for us consumers, product manufacturers handle all of those logistics, but knowing what to look for can also help you make more informed decisions. For example, if you’ve ever taken inventory of the vitamin C serums in your vanity, you may notice they all have something in common: an opaque bottle. Some may be amber, others white, and others black, but the important thing is they don’t…