Crafted with XpresHAn Technology™, Restylane® Defyne helps smooth out deep laugh lines (nasolabial folds and marionette lines) as well as enhance chin projection. Using innovative cross-linking technology, Restylane Defyne is a hyaluronic acid dermal filler that is able to help restore a more youthful, natural-looking appearance, while helping you maintain your natural expressions and movement.