The Extended Deep Plane Facelift in Beverly Hills What Makes It Different and Who Actually Needs It

The deep plane facelift is widely recognised as a technically superior approach to the lower facial and neck rejuvenation that skin-only and SMAS-plication techniques cannot achieve. The conversation about deep plane facelift has reached the general public in a way that earlier facelift conversations did not, and patients arrive at consultations in Beverly Hills with a genuine understanding that the deep plane technique, with its ligament releases and structural tissue repositioning, produces a more natural and more durable result than its predecessors.

What is less well understood, even among patients who have researched facelift extensively, is the distinction between a standard deep plane facelift and an extended deep plane facelift. These are not interchangeable terms for the same procedure. They describe different dissections, different anatomical territories, and different surgical goals that are appropriate for different patients.

The extended deep plane facelift is the primary facelift procedure performed by Dr. William Harris at Harris Facial Plastic Surgery and Aesthetics in Beverly Hills. Understanding what it involves, how it differs from a standard deep plane, and which patients specifically benefit from the extended technique is the subject of this blog.

For patients who want to begin with an overview of the extended deep plane procedure at the practice, the extended deep plane facelift page provides a summary. The deep plane vs SMAS comparison blog covers the foundational distinction between deep plane and shallower techniques.

The Standard Deep Plane Facelift: What It Does and Where It Stops

To understand the extended deep plane, it is necessary first to understand what the standard deep plane accomplishes and, specifically, what its anatomical limits are.

The standard deep plane facelift dissects beneath the SMAS, the superficial musculoaponeurotic system, and into the plane that lies between the SMAS above and the deeper facial muscles below. This plane, once entered, allows the surgeon to release the retaining ligaments that hold the SMAS and the overlying facial soft tissue in their descended positions.

In the standard deep plane, the primary ligament releases occur at the masseteric ligaments, which anchor the SMAS and overlying cheek tissue to the masseter muscle, and at the mandibular osteocutaneous ligaments along the jawline. Releasing these ligaments frees the lower facial SMAS and the associated skin and subcutaneous tissue, allowing this complex to be repositioned in vectors that reverse or reduce the descent that has occurred over years.

The retaining ligaments of the face, their anatomy, and their role in determining facelift outcomes are covered in detailed in the blog on retaining ligaments of the face. Understanding this anatomy is essential context for understanding what the extended technique adds.

The limitation of the standard deep plane is anatomical. The dissection in this technique stops at or near the boundary of the malar eminence, the bony cheekbone. The zygomatic ligaments, which are stronger fibrous attachments that anchor the malar fat pad and midface soft tissue to the zygomatic bone and arch, are not fully released in a standard deep plane. This means the midface tissue, the malar fat pad and the soft tissue of the anterior cheek, remains tethered at the zygomatic ligaments even after a standard deep plane is performed.

The clinical consequence is that the standard deep plane produces excellent results in the lower face, the jowl, the jawline, and the neck, but addresses the midface only indirectly and incompletely. In patients whose midface has descended significantly, contributing to midface flattening, nasolabial fold deepening, and loss of malar projection, the standard deep plane achieves less midface improvement than the patient's anatomy requires.

The Extended Deep Plane: What the Extension Adds

The extended deep plane facelift extends the dissection anteriorly and superiorly from the standard deep plane boundary into the midface compartment. The extension releases the zygomatic ligaments directly, entering the plane between the malar fat pad above and the zygomaticus major and minor muscles below.

The Zygomatic Ligament Release

The zygomatic ligaments are strong, short fibrous bands that connect the periosteum of the zygomatic arch and zygomatic bone to the overlying dermis and subcutaneous tissue of the malar region. They are analogous in function to the masseteric ligaments of the lower face but are located higher and more anteriorly, anchoring the midface soft tissue rather than the lower cheek tissue.

With age, the zygomatic ligaments elongate under the combined influence of gravity and the biological remodelling of connective tissue. As they elongate, the malar fat pad and associated midface tissue descend. The malar fat pad, which in youth sits high on the cheek providing fullness and projection at the malar eminence, moves inferiorly and medially, flattening the midface and deepening the nasolabial fold as it descends against the fixed skin attachment at the fold.

Releasing the zygomatic ligaments directly is the step that distinguishes the extended deep plane from the standard technique. Once released, the malar fat pad and midface soft tissue are no longer tethered at the zygomatic anchor point and can be repositioned superiorly and laterally toward their original anatomical position. The repositioning vector in the midface is different from the vector applied to the lower face, reflecting the different direction from which the midface has descended.

The Zygomatic Cutaneous Ligament Release

In addition to the zygomatic ligaments, the extended deep plane releases the zygomatic cutaneous ligaments, which are more superficial condensations of fibrous tissue in the same anatomical region. These ligaments contribute to the superficial tethering of the malar skin and subcutaneous tissue and, when released, allow the full composite of malar fat pad and overlying soft tissue to move as a single unit during repositioning.

The combination of zygomatic and zygomatic cutaneous ligament releases allows the extended deep plane to reposition the midface tissue comprehensively rather than simply reducing the tension on it that a limited dissection provides.

What the Extended Deep Plane Achieves That a Standard Deep Plane Cannot

The anatomical additions of the extended technique produce specific clinical improvements that a standard deep plane does not provide to the same degree.

Direct Malar Fat Pad Repositioning

The malar fat pad is the primary determinant of malar projection and midface fullness. In the extended deep plane, the malar fat pad is released from its zygomatic tethering and repositioned upward, restoring the malar prominence and midface fullness that characterise youth. This is not an indirect effect achieved by tightening the lower face and hoping the midface improves incidentally. It is the direct repositioning of the specific tissue that has descended.

The practical result is a cheek that regains the anteroposterior projection and the superior position that define a youthful midface. Patients who have experienced midface flattening as a dominant ageing concern, not just jowling and neck laxity but the loss of cheekbone definition and the hollowing of the midface, achieve a more complete result from the extended technique than from any approach that leaves the malar fat pad tethered.

More Complete Nasolabial Fold Improvement

The nasolabial fold deepens with age for two reasons: the descent of the midface soft tissue above the fold, which pushes the nasolabial fat inferiorly and medially, and the fixed nature of the skin at the fold itself, which is attached to the underlying muscles. The fold deepens because the tissue above it descends while the fold attachment point remains fixed.

A standard deep plane improves the nasolabial fold indirectly by repositioning the lower facial SMAS, which reduces some of the inferolateral tension contributing to fold deepening. The extended deep plane improves the nasolabial fold more directly by repositioning the malar fat pad and anterior midface tissue that is the primary driver of fold deepening in most patients. The improvement in nasolabial fold depth that the extended technique produces is therefore more complete than what the standard technique achieves, particularly in patients with significant midface ptosis.

Midface Lifting Without Facial Fat Transfer in Some Patients

In patients whose midface appearance reflects primarily tissue descent rather than volume loss, the extended deep plane can restore midface fullness by repositioning the descended malar fat pad upward rather than by adding volume through fat transfer or filler. This is an important distinction. Not every patient with a flat-looking midface has lost volume. Some have descended tissue that, when repositioned, restores the fullness and projection that was always present but had moved to the wrong location.

Identifying which patients need repositioning versus volumising versus both requires a thorough clinical assessment. In patients where repositioning is the primary need, the extended deep plane can achieve midface improvement without the additional complexity and recovery of fat transfer. In patients where both tissue descent and volume loss are contributing, the extended deep plane and fat transfer are complementary and are frequently performed together.

The Anatomy That Makes the Extended Technique More Demanding

The extended deep plane facelift is a more technically demanding procedure than the standard deep plane, and this is one reason it is performed by fewer surgeons. The midface dissection required to access and release the zygomatic ligaments passes through a region of more complex anatomy, with important structures in closer proximity than in the lower face dissection.

The Facial Nerve in the Midface

The facial nerve branches responsible for the cheek and periorbital muscles run in the deeper facial layers of the midface. The extended deep plane dissection occurs in a plane that is below and medial to the standard deep plane, bringing it into a region where these nerve branches are in closer anatomical proximity to the dissection than in the lower face.

A surgeon performing the extended deep plane must have detailed knowledge of where the relevant nerve branches travel relative to the surgical planes of dissection, and must dissect with sufficient anatomical precision to avoid them. This is not an approach that is forgiving of anatomical uncertainty. It is one of the reasons that the extended deep plane is performed by a smaller subset of facelift surgeons than the standard deep plane, and why the training and experience of the surgeon performing it matters considerably.

The Dissection Plane Through the Midface

The plane of the extended deep plane dissection through the midface lies between the malar fat pad above and the zygomaticus muscles below. Entering and maintaining this plane requires controlled dissection and a clear understanding of the tissue layers being traversed. Dissecting too superficially risks entering the malar fat pad itself. Dissecting too deeply risks encountering the facial nerve branches and the parotid duct in the deep tissue below the zygomaticus muscles.

The anatomical precision required to consistently work in the correct plane through the midface is developed through training and surgical volume. Surgeons who perform the extended deep plane regularly develop the tissue recognition and dissection skill required to navigate this territory reliably. Those who perform it infrequently do not.

Who Is the Right Patient for the Extended Deep Plane

The extended deep plane is not appropriate for every facelift patient, and selecting the right patient is as important as the surgical technique itself.

Patients With Significant Midface Descent

The primary indication for the extended technique is meaningful midface ptosis: descent of the malar fat pad that has produced midface flattening, loss of malar projection, and a nasolabial fold that is deepened primarily by the descending midface tissue above it. These patients have anatomy that a standard deep plane will not fully address, and they are the patients for whom the additional complexity and recovery of the extended technique is justified by the more comprehensive result.

Patients With Significant Nasolabial Fold Deepening

Patients whose primary concern includes a deep nasolabial fold that has not responded adequately to filler or that has continued to deepen despite filler treatment are often candidates for the extended deep plane. When the fold is driven by midface descent rather than by local tissue characteristics, repositioning the descending midface tissue directly produces more lasting improvement than any injectable can provide.

Patients Who Are Not Well-Served by the Extended Technique

Patients whose ageing picture is dominated by lower face and neck changes with relatively well-maintained midface anatomy achieve excellent results with a standard deep plane and do not need the additional dissection of the extended technique. Adding operative complexity that is not indicated by the anatomy does not improve the result. It adds recovery without adding benefit.

Patients in their mid-to-late 40s with early jowling, early neck change, and a midface that is reasonably well-positioned are typically well-served by a standard deep plane. The decision about whether to extend is made at consultation based on direct clinical assessment of the midface position and the degree of zygomatic ligament elongation present.

For patients in their 40s who are evaluating the timing of facelift surgery, the facelift in her 40s blog covers the clinical case for earlier intervention and how the anatomy of earlier ageing affects technique selection.

The Extended Deep Plane With Fat Transfer: The Comprehensive Approach

In many patients with significant midface descent, tissue descent and volume loss are coexisting rather than independent problems. The extended deep plane repositions descended tissue, but it does not restore fat compartment volume that has been genuinely depleted. In patients where both are present, the extended deep plane is frequently combined with facial fat transfer to the temples, periorbital area, and midface to address both the positional and volumetric dimensions of the ageing change simultaneously.

The combination produces a result that neither procedure alone can achieve for patients with this combination of findings. The extended deep plane restores the structural position of the malar fat pad and midface soft tissue. The fat transfer restores the volume in the fat compartments that have genuinely depleted. The two together produce a midface that is both structurally repositioned and volumetrically restored, which is the anatomical state of a youthful midface.

Recovery After the Extended Deep Plane Facelift

Recovery from the extended deep plane facelift follows the same general timeline as a standard deep plane but with some additional considerations specific to the midface dissection.

• Days one to seven: Swelling in the lower face, neck, and cheeks is significant. The midface swelling from the zygomatic ligament release and malar fat pad repositioning may be more pronounced than in a standard deep plane, particularly in the first week.
• Days seven to fourteen: The surgical drains, if used, are removed. Bruising transitions from its initial stages. Most patients are comfortable at home and beginning to manage activities of daily living more independently.
• Two to three weeks: Most patients are comfortable returning to desk-based work and to social settings where they do not mind being visibly post-operative to close friends and family. The midface swelling is still present but diminishing.
• Four to six weeks: The majority of visible bruising has resolved. Exercise and more physical activities can be gradually reintroduced. The face is settling noticeably toward the final result.
• Three to four months: The lower face and neck result is largely apparent. The midface may still carry some residual swelling, which continues to resolve toward the final result.
• Six months: The final settled result is fully apparent across all anatomical areas, including the midface. This is the appropriate timeframe for comprehensive assessment of the outcome.

Dr. Harris and the Extended Deep Plane in Beverly Hills

The extended deep plane facelift is the procedure that Dr. Harris has selected as the foundation of his facelift practice because it addresses the full anatomical picture of facial ageing in patients with meaningful midface involvement, rather than limiting the correction to the lower face and neck where the standard deep plane is confined.

The decision to perform an extended rather than standard technique for a specific patient is not automatic. It is made at consultation based on the clinical examination of the midface, the degree of zygomatic ligament elongation, the position of the malar fat pad relative to the malar eminence, and the specific concerns the patient has articulated. Not every patient presenting for facelift consultation will be recommended the extended technique. Those who are will have a clear explanation of why the additional dissection is appropriate for their specific anatomy and what it will achieve that a standard approach cannot.

Dr. Harris sees patients for facelift consultations at Harris Facial Plastic Surgery and Aesthetics, located at 301 N. Canon Drive, Suite 208, Beverly Hills, California 90210. For more on the full facelift approach at the practice, including the standard facelift and the neck lift as standalone and combined procedures, visit harrisfacialplastics.com or contact the practice directly.