Weekend Wonderings: Do we need preservatives in anhydrous products? How do we use glycerin as a silicone substitute? And how to do I add water soluble things to anti-frizz sprays?

DO WE NEED PRESERVATIVES IN ANHYDROUS PRODUCTS?In this Newbie Tuesday post on lotion bars, AZ asks: Do we need to add any preservative to them? Or all oil only creations do not need preservatives?No, we don’t need to add preservatives to oil only products. We add preservatives to water containing products because the beasties that…