Weekend Wonderings: Do we need to add a preservative if we add e-wax to a lotion bar? Is it safe to use refined oils in our products?

DO WE NEED TO ADD A PRESERVATIVE IF WE ADD E-WAX TO A LOTION BAR?In the Weekend Wonderings: Have a question? post, Rosi asks: In a lotion bar we do not have to add preservative, is it still the same if I substitute some of the wax with ewax, cetyl or BTMS still without water, of course….