Understanding the skin on your lips will help you understand what formula suits you best. If you're prone to dry lip skin, avoid a liquid or matte lip (or prep with hydrating balm). Understand that a satin will sit most comfortably on your lips, but will have a shorter wear time and will need to be reapplied more often throughout your day and night. If you're looking for a lower maintenance, more natural look, opt for a stain or shine.