Talk about lip service. Plump your pout to its fullest, flirtiest, most fabulous shape and size with our shimmering Pump It Up Lip Plumper, formulated with Maxi-Lip. Maxi-Lip is a special peptide that we have infused into our new and improved formula. Peptides are known to improve collagen synthesis, which can lead to firmer, fuller, smoother looking lips. Go ahead. Pout about it.