An easy way to tool caulk is to take an ice cube and run it down the caulk line, applying steady pressure. The film of water that forms between the ice cube and the caulk makes a smooth, professional finish, and you can melt the cube in your hand to get any bead shape you want.
Infusing oil is probably my favorite method of using natural colorants. It works for most natural colorants but we’ll talk about the ones that do better using a different method as we go along. When you infuse oil you don’t get the grainy speckled look you get when you add spice or herb powders to traced soap.