Safety & Tolerability Study That Compares Restylane to Restylane With Lidocaine While Correcting Wrinkles in the Nasolabial Folds

Inclusion Criteria: * Subjects seeking augmentation therapy for correction of bilateral NLFs * Same WSRS score at both NLFs (either both Moderate \[3\] or both Severe \[4\]) * Subjects willing to give written informed consent to participate in the study * Women of childbearing potential willing to use an acceptable form of birth control during the study period Exclusion Criteria: * Active or chronic skin disease, inflammation or related conditions, near or on the NLFs * Subjects who had undergone procedures based on active dermal response e.g., laser or chemical peeling procedures) within 6 months prior to study entry * Use of any facial tissue augmenting therapy with non-permanent filler or aesthetic facial surgical therapy within 9 months prior to study entry * Permanent implant placed in the NLF area