Cosmetic Boxes If designed in the right way, custom packaging boxes can make your business grow, attract customers, and can even upscale your product sales. Design elements make a big part of appealing custom Cosmetic Boxes but you also need to focus on the practical side. Consider your ideal customers, you need to focus on the practical side, and choose the right box style for an ideal solution. Whether you are designing display boxes or subscription boxes, the packaging should communicate your brand message to customers.