Bobbi Brown Extra Plump Hydrating Lip Gloss Serum Color : Bare Rose What it is: A plumping lip serum that deeply replenishes lips as it delivers a fuller look and lasting shine, the look of a lip gloss with lip-nourishing benefits. What Else You Need to Know: This lip serum formulated with Extra Plump Complex, a lip-loving blend of moisture boosting botanical oils and hyaluronic acid. The powerhouse formulation delivers instant plumping and 24 hours of hydration. Leaves lips looking plumper, smoother and with a glossy, amped-up shine that lasts 8 hours.