Essential Oil Necklaces ONLY $8.99 (reg $16) This post may contain affiliate links. Please see the full disclosure policy here. Posted on April 17, 2017 Written by Mary Leave a Comment These are too cool! Essential Oil Necklaces with 10 Replaceable Pads are on sale for only $8.99 shipped! (Reg. $15.99) Simply place a few drops of your favorite essential oil and close the locket. 6 different necklace styles to choose from.