Safety and Effectiveness of Belotero® in Subjects With Fitzpatrick Phototypes IV Through VI

Inclusion Criteria: 1. Had reviewed and signed a statement of Informed Consent and HIPAA authorization. In addition, subjects were asked to provide a separate release for use of their photographs in publications. Subjects had a right to refuse the photo release without jeopardizing their eligibility to participate in the study. 2. Was 18 to 75 years of age, of any race or sex. 3. If female, was post-menopausal for at least one year; or had undergone a hysterectomy; or a tubal ligation; or if of childbearing potential, had negative urine pregnancy test results and agreed to use an approved method of birth control throughout the study (ie, oral/systemic contraceptives, intrauterine device \[IUD\], or spermicide in combination with a barrier method of contraception), or was abstinent, or was in a monogamous relationship with a partner who had had a vasectomy. 4. Had bilateral nasolabial folds with a severity of 2 or 3 on the wrinkle severity rating scale (SRS) as assessed by the Evaluator Investigator. 5. Subjects were to have been rated IV, V, or VI on the Fitzpatrick Skin Phototype Scale. 6. Had adequate understanding of the language (spoken and written English or Spanish) and was willing to comply with the study requirements. Exclusion Criteria: 1. A personal history of allergic/anaphylactic reactions including hypersensitivity to local anesthetics (eg, lidocaine, etc), hyaluronic acid (HA) preparations, and/or gram-positive bacterial protein. 2. A known history of keloids or bleeding disorders. 3. Leukoderma (vitiligo) or a family history of leukoderma or other pigmentary disorders. 4. An active inflammatory process in the nasolabial fold area (skin eruptions such as cysts, pimples, rashes, cancerous/pre-cancerous lesions, psoriasis, neurodermatitis, or any other active skin disease) or severe scarring that might interfere with study assessments. 5. If female, pregnant, planning to become pregnant during the study, or breast feeding. 6. Planned to undergo major facial surgery during the course of the study (eg, rhinoplasty \[with or without implant\], facelift, congenital defect repair, etc). 7. Clinically important disease, as judged by the investigator, within 3 months of the study (eg, significant laboratory test abnormalities, myocardial infarct, stroke, cancer, connective tissue diseases \[scleroderma, systemic lupus erythematous\], systemic infection, uncontrolled diabetes, etc.), including those with medical conditions that might require the use of immunosuppressive medications during the trial (eg, severe, uncontrolled asthma, rheumatoid arthritis, autoimmune diseases, etc). 8. Severe physical, neurological or mental disease. 9. Excessive facial hair that might interfere with the evaluation of the wrinkle assessments. 10. Any systemic or dermatologic disorder, which, in the opinion of the investigator, would interfere with the study results or increase the risk of AEs. 11. Had used exclusionary medications/treatments. 12. Participation in a clinical investigation within the 30 days prior to the first planned device administration or during this trial.