Efficacy and Safety of Restylane Perlane Compared to Restylane for Correction of Moderate and Severe Nasolabial Folds

Inclusion Criteria: * Chinese origin * Subjects intent to undergo correction of both NLFs with a Wrinkle Severity Rating Scale (WSRS) of 3 on both side or 4 on both side. * Subjects willing to abstain from other facial plastic surgical or cosmetic procedures during the study period. * Singed Informed Consent Exclusion Criteria: * Subjects with traumatic scars or ongoing active skin disease in the area to be treated * Permanent inplant or filler, including fat injection placed in the area to be treated * Previous tissue augmentation therapy in the NLFs with non-permanent filler within 12 months prior to inclusion * Any medical condition in the opinion of the treating investigator who will make the subject unsuitable for inclusion