These creamy cleansers aren't just beautiful, they also pamper your skin: Marigold soothes, honey moisturizes, and oatmeal gently exfoliates. A pound of melt-and-pour Castile base ($4.46; bulkapothecary.com) yields about six 3-ounce soaps. After drying your marigolds (see "How to Preserve Flowers and Herbs," previous page), follow these steps: Step 1: In a large pot, melt the soap base according to the package instructions. Meanwhile, in a small, microwave-safe bowl, microwave three tablespo...