SMASbased
SMASbased refers to a family of facial rejuvenation techniques that surgically mobilize and reposition the superficial musculoaponeurotic system (SMAS) to restore facial contour. The SMAS is a fibromuscular layer that envelops the facial muscles; by elevating and retensioning this layer, surgeons can lift sagging tissues more securely than skin-only procedures, addressing the jawline, jowls, nasolabial folds, and midface support. The concept emerged in the late 20th century and includes non-excisional methods such as SMAS plication or imbrication, as well as excisional SMASectomy, often combined with platysmaplasty. Extended SMAS techniques extend the dissection into the neck to improve cervical contour. Some practitioners distinguish SMASbased approaches from deep plane facelift, which involves a deeper dissection that can mobilize midface tissues differently; in practice, techniques and terminology vary by surgeon.
Indications typically include moderate to severe facial aging with descent of malar fat, jowling, and neck