An Interventional Study to Evaluate the Safety and Performance of Crosslinked Hyaluronic Acid Hydrogel

Inclusion Criteria: * Patient Informed consent form (ICF) signed * Female and male subjects aged 18-65 years and in good general health; * Subjects with Soft Tissue Deficits of the face requiring midface volume restoration; * Willingness to follow all study procedures, including attending all site visits, tests, and examinations; * Agreeing to present at each study visit without makeup; * Accepting to not change their habits regarding food, physical activity, make-up use, facial cosmetics, and cleansing products; * Willingness to not undergo other procedures involving permanent and nonpermanent aesthetic correction (e.g. chemical peel, dermabrasion, ablative laser resurfacing), non-invasive skin-tightening, botulinum toxin injections, dermal filler injections, mesotherapy, or fat injections during the study period of 12 months; * Willing to follow indications to not be exposed to make-up, excessive heat (sun, UV tanning sessions, or laser), and extreme temperatures (intense cold, sauna, hammam, etc.) after the treatment and until the complete absorption of swelling and reddening. Exclusion Criteria: * Presence of recurrent facial/labial herpes; * Presence of tendon, bone, or muscular implants near the area of intervention; * Subjects previously treated with fillers anywhere in the face or neck; * Subjects who have undergone invasive face or neck surgery; * Ongoing cutaneous allergies and history of hyper- or hypo-pigmentation in the mouth area, keloid formation, or hypertr…