Facial sagging describes changes in facial contours and soft tissues that develop with aging.

Descending cheeks, reduced jawline definition, tissue fullness around the corners of the mouth, and neck laxity are common signs of facial aging.

However, facial sagging involves more than loose skin.

Bone structure, fat compartments, ligaments, muscles, and skin characteristics all need to be assessed together.

Why Does the Face Sag?

Facial aging is a complex process that affects several anatomical layers.

The main contributing factors include:

• Loss of skin collagen and elasticity
• Age-related changes in facial bones
• Changes in the volume and distribution of facial fat
• Structural changes in ligaments and supporting tissues
• Facial muscle activity
• Sun damage, genetic predisposition, and lifestyle factors

The extent and distribution of these changes vary from person to person.

1. Changes in Bone Structure

Facial bones can remodel with age.

Changes around the eye sockets, upper jaw, and lower jaw may affect the support provided to overlying soft tissues.

For example, changes in the chin and mandibular contour can influence the appearance of the lower face.

However, bone changes do not occur to the same extent or in the same pattern in everyone.

Facial rejuvenation planning therefore considers the underlying anatomy as well as the skin’s surface.

2. Changes in Facial Fat Compartments

Facial fat does not form a single continuous layer.

It is organized into superficial and deep compartments in different anatomical regions.

With aging, some areas lose volume, while others develop changes in fat distribution or prominence.

These changes may contribute to:

• Temple hollowing
• Midface volume loss
• A more noticeable transition between the under-eye area and cheeks
• Deeper nasolabial folds
• Tissue bulges along the jawline, known as jowls

However, facial fat compartments do not all move downward in the same way over time.

3. Loss of Skin Collagen and Elasticity

Aging brings changes in the skin’s collagen, elastic fibers, and ability to renew itself.

Long-term sun exposure can accelerate this process.

Reduced skin elasticity may contribute to:

• Fine wrinkles
• Skin laxity
• Lines around the mouth
• Neck wrinkles
• Reduced definition of the lower facial contour

These changes may require different treatments from those used for volume loss.

4. The Ligaments That Support the Face

Strong connective tissue structures called retaining ligaments help influence the position and movement of facial soft tissues.

They are an important part of facial anatomy.

However, ligament laxity alone does not fully explain facial aging.

Current anatomical research examines the relationships among supporting tissues, fat compartments, and bone structure.

5. Why Does the Jawline Lose Definition?

Jawline definition depends on more than the shape of the mandible.

Chin position, skin laxity, superficial fat, and neck contour also play a role.

With aging, tissue bulges called jowls may develop on either side of the jawline.

Volume loss is the main concern for some patients, while loose skin or fat beneath the chin is more prominent in others.

Jawline fillers therefore do not produce the same result in every patient.

6. How Is Facial Sagging Assessed?

Aesthetic facial assessment includes front, profile, and three-quarter views.

Particular attention is given to:

• Temple and midface volume
• Cheekbones and cheek contours
• Nasolabial folds
• Mouth corners and marionette lines
• Chin and jawline
• Fat beneath the chin
• Skin elasticity and quality
• Neck laxity

Before treatment, the assessment identifies whether the main concern is volume loss, loose skin, excess fat, or a combination of these factors.

How Is Facial Sagging Treated?

Facial rejuvenation procedures address different anatomical concerns. Treatment should therefore be selected according to each patient’s findings.

1. Hyaluronic Acid Fillers

Hyaluronic acid fillers may be considered for suitable patients with volume loss.

They can provide structural support in selected areas of the midface, chin, and facial contours.

However, fillers cannot completely correct actual skin sagging.

In patients with significant sagging, excessive filler can make the face appear overly full or heavy.

2. Poly-L-Lactic Acid (PLLA)

PLLA is an injectable biostimulator intended to support the skin’s collagen production.

It may be considered for suitable patients with age-related volume loss and changes in skin structure.

Its effects develop gradually.

However, PLLA does not replace a surgical facelift.

3. Calcium Hydroxylapatite (CaHA)

Products containing CaHA may be used for volume support or collagen stimulation, depending on their formulation and how they are administered.

In selected patients, they may help support facial contours and improve skin quality.

Treatment areas should be selected according to the product’s properties and the patient’s anatomy.

4. Endolift and 1470 nm Laser Technology

Laser systems that operate at a wavelength of 1470 nm and use a thin fiber placed beneath the skin may be considered for tissue tightening and localized contouring in selected patients.

These procedures use the thermal effects of controlled laser energy on tissue.

They may be considered for certain concerns involving the lower face, jawline, and area beneath the chin.

However, Endolift is not suitable for every case of facial sagging.

Although clinical studies have reported favorable findings on effectiveness and safety, much of the research involves small patient groups. Stronger studies are needed to assess long-term outcomes.

Swelling, bruising, pain, or contour irregularities may occur after treatment. Improper treatment can cause burns, nerve injury, and other serious complications.

5. Fractional CO₂ Laser

Fractional CO₂ laser may be considered for surface signs of aging and changes in skin quality.

It can help reduce fine wrinkles, sun damage, and certain superficial texture irregularities.

However, its primary purpose is not to reposition deeper facial tissues.

It may be insufficient on its own for significant cheek or jawline sagging.

6. Radiofrequency and Focused Ultrasound

Energy-based treatments such as radiofrequency and focused ultrasound may help reduce mild to moderate skin laxity in some patients.

Results vary according to skin characteristics, the technology used, and the treatment area.

The degree of tightening is generally more limited than that achieved with a surgical facelift.

7. Botulinum Toxin

Botulinum toxin is primarily used to soften wrinkles caused by facial muscle activity.

It may also be considered to modify specific muscle activity in the lower face and neck in selected patients.

However, botulinum toxin alone does not correct facial volume loss or significant skin sagging.

8. Surgical Face and Neck Lifts

A surgical facelift or neck lift may be more appropriate for patients with substantial excess skin and advanced tissue sagging.

In selected patients, surgery aims to reposition soft tissues and address excess skin.

Nonsurgical treatments should not be expected to provide the same degree or longevity of improvement as surgery.

Is Nonsurgical Facial Rejuvenation Suitable for Everyone?

No. Treatment selection should be guided primarily by anatomical findings and overall health rather than age alone.

For example, a younger patient may have significant volume loss, while an older patient’s main concern may be superficial wrinkles.

One treatment may be enough for some patients, while others may benefit from consideration of several approaches.

Avoiding unnecessary procedures and setting realistic goals are important.

Can Facial Sagging Be Slowed?

Aging is a natural process and cannot be stopped completely.

However, regular sun protection, avoiding smoking, balanced nutrition, appropriate skin care, and avoiding rapid weight fluctuations can support skin health.

Topical retinoids and dermatologic resurfacing treatments may also help reduce visible signs of aging in some patients.

Dermatologic Facial Assessment and Treatment Planning

At Dr. Armin Müştak’s private dermatology practice, facial aging is assessed by considering skin quality, volume loss, fat distribution, jawline definition, and overall anatomical balance together.

For suitable patients, options may include hyaluronic acid fillers, collagen-stimulating treatments such as PLLA and CaHA, botulinum toxin, fractional CO₂ laser, and 1470 nm Endolift technology, based on individual needs.

For patients with significant tissue sagging, surgical treatment may be the more appropriate option.

Effective facial rejuvenation begins with identifying which anatomical layers have changed and how those changes affect the face.