Restylane Lidocaine is a firmer dermal filler designed to add volume and fill wrinkles and lines with long-lasting results. The filler is ideal to use in areas where you have good tissue coverage such as nasolabial folds and marionette lines. Restylane Lidocaine contains a hyaluronic acid gel with a firmer consistency, mid-sized particles, and is formulated using the NASHA™ technology to obtain the best filling properties. Furthermore, it contains lidocaine. Restylane Lidocaine lasts up to at least 18 months with one retreatment.