To Evaluate the Effectiveness and Safety of YVOIRE Y-Solution 720 Injected Into the Mid-Face

Inclusion Criteria: * Male or female adults 18 to 65 years of age (inclusive) * 3 (moderate) or 4 (severe) on MFVDA-SRS * sign the written informed consent form Exclusion Criteria: * have streptococcal disease or bleeding disorder * have an active or infective skin disease, scars, or tumor on mid-face * have congenital defect, trauma, abnormalities in adipose tissue related to immune-mediated diseases * have undergone facial plastic surgery, tissue grafting, or tissue augmentation with silicone, fat, or other permanent, or semi-permanent procedures/treatment * have undergone temporary facial dermal filler within 12 months, porcine-based collagen fillers within 24 months, or neuromodulator injections, mesotherapy, or resurfacing within 6 months * have a medical history of hypertrophic cicatrix or keloid * have radiation therapy experience on mid-face * have a history of anaphylaxis, multiple severe allergies, atopy, or allergy to lidocaine, hyaluronic acid products, or Streptococcal protein