Joel Grimes. I’m a minimalist and like using one light whenever I can. The problem with using one light is a lot of times you are left with areas of shadows. Now, if that’s the look you’re going for, have at it, but if you need a clean well-lit beauty portrait, using one light can seem challenging at first. But with the help of a reflector and changing the position of your main light, you can create a few different looks quickly and easily.