city lips original clear lip plumper city lips winner of multiple lip plumper product tests conducted by good housekeeping magazine . “we found that the cit lips lip plumper plumped people’s lips an average of 3 millimeters.” karen rauen, chemistry director, good housekeeping institute. key benefits and ingredients: instantly plumps, boosts hydration, and smoothes lines. potent peptides build up collagen and elastin for long-term fullness. naturally flushes lips with healthy color. builds collagen to decrease lip wrinkles in and around the lips. blocks the breakdown of collagen. essential oils and antioxidants protect lips. pain-free plumping--will not burn or irritate the lips. sheer, lightweight and never sticky. safe to use with lip injections or other cosmetic treatments. can be layered over or under other lip products.