Covering up the lips with foundation is a behind-the-scenes trick makeup artists have been using for years to create the illusion of fuller lips. You can draw a completely new lip line over the top. This insider hack also comes in handy when you want to draw a smaller pout for Halloween.
Use a full-coverage foundation or concealer just a touch lighter than your skin tone to cover your lips. Then, apply a translucent powder on top to set the base.