Clinical Study for the Evaluation of the Safety and Effectiveness of Use of a Poly-L Lactic Acid Injectable Filler for the Aesthetic Treatment of Nasolabial Folds

Inclusion Criteria: * Subject with moderate to severe nasolabial folds as determined by a Wrinkle Severity Rating Scale (WSRS) score of 3 or 4 on both folds at the pre-treatment evaluation. * Subject wiling to abstain from other facial procedures (i.e., dermal fillers, toxin treatments, laser, microdermal abrasion, chemical peels, non-invasive skin-tightening) during the whole study period. * Subject, psychologically able to understand the study related information and to give a written informed consent. * Subject having given freely and expressly his/her informed consent. * Subject willing to have photographs of the face taken. * Subject affiliated to a health social security system. * Female of childbearing potential should use a contraceptive regimen recognized as effective since at least 12 weeks before screening visit and during the whole study period. Exclusion Criteria: * Pregnant or nursing woman or planning a pregnancy during the study. * Subject with a scar, moles, pigment disorders or anything on the face which might interfere with the evaluation. * Subject who had been deprived of their freedom by administrative or legal decision or who is under guardianship. * Subject in a social or sanitary establishment * Subject participation to another research on human beings or who is in an exclusion period of one. * Subject having received 4500 euros indemnities for participation in research involving human beings in the 12 previous months, including participation in th…