This big, bold, visibly plumping lip treatment is available in our best-selling shade Big O as well as two new shades inspired by our best-selling glosses. It applies like silk and envelops to bring lips to their ultimate suppleness. A unique reactor works with your individual pH level to transform to the most flattering custom shade. Plumping ingredients deliver visibly luscious volume, while moisturizing ingredients help lips feel as good as they look.Rich pumpkin seed oil helps to add comfort and suppleness. Wear it alone or with any of your favorite BUXOM shades.