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 a 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.