The Plump Shot™ Sheer Tint Collagen-Infused Lip Serum by Buxom is a clinically proven lip treatment that delivers fuller, smoother lips with a refreshing cooling sensation. Infused with advanced peptides, hyaluronic acid, and nourishing botanical oils, this serum visibly plumps lips by 24% and reduces the appearance of fine lines by 34% in clinical studies.