The whole purpose of the primer is to set the base for makeup and foundation so the makeup will last longer and stay on for hours. Some say it is vital and that you should use primer whether you wear a full face of makeup on your keep it very simple and to the basics. True, you can skip wearing the primer but it is said you will be missing out. It is to your advantage to wear primer because it will make your makeup experience that much more positive. We will be exploring the best primers on the market today.