By now you have heard of primers. They are everywhere, every makeup brand has there own. Primer is a HUGE part of your makeup routine. It is just as important and your foundation, it helps you use less product and keep your makeup from sliding (or, as i say, melting when it gets hot out). Primers create the perfect base for your foundation, they help to fill in fine lines and pores. Now not all primers are the same. So make sure you are using the correct primer for your foundation. BB Camera Ready primer will work with all BB foundations, another primer can cause your foundation to not sit right, it might look streaky or slide. You can order camera ready primer online at www.bbmakeuponline.com