Garen, oils can improve in aroma when they oxidize, but don’t normally odor “rancid.” That smell connected to “rancid” merchandise generally originates from microbes and mildew, which essential oils usually do not increase Hope this aids! Wow. I didn’t know that vital oils actually have a shelf life. I https://fullyactivatedcbd.eedblog.com/4788320/the-5-second-trick-for-did-you-know-anything-about-the-shelf-life-of-your-cbd-oils