For rounder faces, it’s better to stick to shading right below the cheekbones. “If you want to contour your forehead and chin, only do this at night,” Martin says. “A full contour during the day is not friendly in natural light, no matter how skilled you are.” The same applies to your nose—Martin says that you should only use highlighter during the day and that there’s no need for any extra shading. “The highlighter will pop in daylight, so there’s no need to create depth on the sides of your nose,” he says.