Nourish your lips with Neutrogena Healthy Lips Plumping Serum. This lip enhancer serum comes infused with peptides and antioxidants and leaves your lips feeling smoother and looking fuller. Created by the #1 dermatologist-recommended brand, this lightweight serum promotes plumper looking lips while helping to nourish and condition. Neutrogena Healthy Lips Plumping Serum is simple to use: just apply the peptide-infused serum directly to your lips and enjoy plumper looking lips.