A Study to Assess Adverse Events and Change in Disease Activity of HArmonyCa Lidocaine Injectable Gel for Mid Face Soft Tissue Augmentation in Adult Participants

* Participant must be in general good health. * Participant seeking soft tissue augmentation in the mid face. * Participant must be capable of giving signed informed consent, which includes compliance with the requirements and restrictions listed in the ICF and in the protocol. * Able, as assessed by the TI, and willing to follow study instructions (including compliance with the safety e-diary) and likely to complete all required study visits.

* Has experienced trauma to the face within 6 months before enrollment or has residual deficiencies, deformities, or scarring * Has active or recurrent inflammation or infection in either eye * Has tendency to develop hypertrophic scarring and/or keloid scarring * Has active autoimmune disease * Has current cutaneous or mucosal inflammatory or infectious processes (eg, acne, herpes), abscess, an unhealed wound, or a cancerous or precancerous lesion, in the face * Has fat injection or permanent facial implants (eg, polymethylmethacrylate, silicone, polytetrafluoroethylene) anywhere in the face * Has temporary dermal filler injections in the face within 24 months before enrollment * Has semi-permanent fillers (eg, poly-L-lactic acid, CaHA) anywhere in the face within 36 months before enrollment * Has botulinum toxin treatment in cheek area (including crow's feet) within 6 months before enrollment * Has mesotherapy or cosmetic facial procedures in the face within 6 months before enrollment. Examples of mesotherapy or cosmetic facial procedures are face-lift, laser, photomodulation, intense pulsed light, radio frequency, dermabrasion, moderate or greater depth chemical peel, or other ablative procedures * Has tattoos, piercings, facial hair, (unless willing to remove prior to each assessment visit) or scars in the face that would interfere with the visualization of the face for the effectiveness assessment * Undergone a dental procedure within 6 weeks before treatment or plan to undergo a dental procedure (other than prophylaxis or dental fillings) during the course of the study * History of an allergic reaction or significant sensitivity to constituents of the study investigational product (and its excipients) and/or other products in the same class (lidocaine \[or any amide-based anesthetics\], HA products, or Streptococcal protein). * Any investigational treatment within 30 days or 5 half-lives of the treatment (whichever is longer) prior to the first dose of study treatment or is currently enrolled in another clinical study. * Any live vaccine within 4 weeks prior to the first dose of study treatment, or expected need of live vaccination during study participation including at least 4 weeks after the last dose of study treatment.