Study of a Novel Hyaluronic Acid Based Gel for Volume Deficiency in the Mid-face (FaceHyal)

Inclusion Criteria: * Aged between 30 and 84 years. * Seeking correction of the mid-face volume deficit, and agrees with the recommendation of the Investigator. * Accept the obligation not to receive any other facial procedures or treatments impacting facial volume augmentation at any time during the study. * Able to follow study instructions and likely to complete all required visits, as assessed by the Investigator. * Psychologically able to understand the study related information and to give a written informed consent * Have voluntarily provided written informed consent to participate in the study, and use of data privacy (sign the ethics committee approved Informed Consent Form), prior to any study-related procedure being performed. * Female of childbearing potential (sexually active, not sterile, nor postmenopausal for at least 1 year) must have a negative urine pregnancy test (UPT) at Visit 1 (or Visit 1b), and use a medically accepted contraceptive regimen since at least 12 weeks before the beginning of the study and for the duration of the study. * Affiliated to a health social security system. Exclusion Criteria: In terms of population: * Pregnant or breastfeeding woman, or planning a pregnancy during the study. * Scars, moles, tattoo, or anything on the Mid-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 establishm…