In this post, Question: Determining how much to use when working with powders, there’s a discussion going on about calculations. Let’s take a look at a few calculations today!BASIC FIRST LOTION RECIPE68.5% water16% oil (sunflower, soy bean, rice bran, or olive oil)5% shea or mango butter3% cetyl alcohol6% emulsifier (BTMS or Polawax)1% fragrance or essential…