Weekend Wonderings: Do we need to use Vitamin E? Is the preservative and fragrance part of the 100%?

In this post, Lotions: A basic recipe, Helga asks: 1) does lotion need vitamin E? 2) is the percentage of preservative and fragrance based on the absolute total produced with those included or of the foundation of the recipe without those? I include Vitamin E for two reasons. The first is because it’s lovely for your skin….