A Clinical Study Comparing Restylane® Silk and Belotero Balance® for the Treatment of Superficial, Vertical Perioral Lines

Inclusion Criteria: * Patients exhibiting moderate \[2\] to severe \[3\] superficial, vertical perioral lines on the 5-point Merz® validated scale for assessment of superficial perioral lines * Females and males in good general health over the age of 18 years old Must be willing to give and sign a HIPAA form, informed consent form and a photographic release form * Patient is planning to undergo Restylane® Silk and Belotero Balance® injections * For female patient of childbearing potential, must have had a regular menstrual cycle prior to study entry (a female is considered of childbearing potential unless she is postmenopausal, without a uterus and/or both ovaries, or has had a bilateral tubal ligation) and is willing to use an acceptable form of birth control during the entire course of the study \[i.e., acceptable methods of birth control are oral contraceptives, contraceptive patches/rings/implants Norplanit®, Depo-Provena®, double-barrier methods (e.g. condoms and spermicide), abstinence and vasectomies of partner with a documented second acceptable method of birth control should the patient become sexually active\]. All systemic birth control measures must be in consistent use at least 30 days prior to study participation * Negative urine pregnancy test results at the time of study entry (if applicable) * Must be willing to comply with study regimen and complete the entire course of the study. Exclusion Criteria: * A patient with any uncontrolled systemic disease. A…