Dissolvable threads go Head-to-Head in the quest for a nonsurgical facelift

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * BMI comprised between 18.5 and 30 * No ongoing or planned diet. * Group 1: requiring an aesthetic treatment of upper face with resorbable threads. * Group 2: Subject requiring an aesthetic treatment of mid-face and lower-face with resorbable threads * Subject with dense and not too thin skin. Exclusion Criteria: * Pregnant or nursing woman or planning a pregnancy during the study; * Suffering from a severe or progressive disease or any other pathology that may interfere with the evaluation of the study result and/or subject safety, especially cardiac disorder, non-controlled high blood pressure, diabetes, panic disorders, depression, active auto-immune disease, cold, high fever,… * Suffering from malnutrition. * Acute inflammatory process or infection, or history of chronic or recurrent infection or inflammation with the potential to interfere with the study results or increase the risk of adverse events. * Wound healing disorder or with a disorder that may impact wound healing such as connective tissue or immunosuppressive disorder. * History of precancerous lesions/skin malignancies. * Active skin disease within 6 months of study entry. * Scars, rosacea, herpes, acne, blotches or other pathology in the face, at the investigator appreciation. * Predisposed to keloidosis or hypertrophic scarring. * Known history of hyper- or hypo-pigmentation in the face. * Known history of multiple allergies, allergic/anaphylactic reactions including allergy/ hypersensitivity to lidocaine, anaesthetics of the amide type, the used antiseptic components, the used antibiotic cream components. * Known bleeding disorder or is receiving medication that will likely increase the risk of bleeding during treatment. * Extensive skin laxity, thin skin and/or severe malar fat sagging. * Foreign body sensitivity or known or suspected allergies to implant or instrument materials in particular plastic/biomaterial. * Any medication which may interfere, at the interpretation of the investigator, with the study objectives in term of efficacy and safety/tolerance. * Dental care in the past 2 weeks or who planned to receive dental care in the 2 months after the treatment. * Anticoagulant (such as aspirin, warfarin, blood circulation enhancer and clotbuster) during the week before the injection session . * Chemotherapy agents, immunosuppressive medications or systemic corticosteroids in the past 3 months and during the study. * Lifting of the face in the past 12 months or other surgery of the face in the past 6 months. * Resorbable fillers within the past 12 months, other resorbable threads within the past 12 months, neurotoxin in the past 5 months or plans to receive such treatments during the study. * Permanent filler on the face. * Subcutaneous permanent retaining structure on the face (meshing, permanent threads, gold strand etc.). * Intensive exposure to sunlight or UV-rays within the previous month and/or foreseen during the study.