Permanent structure, not just temporary volume.
Hollow, flat, or sunken cheeks can make you appear older than you are — but the right treatment depends on why your cheeks look that way. Cheek implant surgery restores youthful facial contour using long-lasting solid silicone implants placed against the cheekbone itself. This page covers surgical cheek implants — one of three ways Dr. Kim addresses midface flatness, alongside injectable filler and fat transfer. See the section below to understand which category likely applies to you.
The visual "high cheekbone" look comes from the zygomatic bone itself, but the fuller, softer contour beneath it comes from a separate area entirely.
The malar area sits directly over the zygomatic (cheek) bone — augmenting it enhances the actual high point of the cheekbone, for a more sculpted, angular look.
The submalar space sits just below the cheekbone, where soft tissue naturally fills the face. Volume loss here creates a gaunt, hollowed look distinct from cheekbone flatness — and calls for a different implant placement.
Many patients need volume restored in both the malar and submalar areas together. Dr. Kim assesses each patient's specific pattern of flatness or hollowing to determine the right implant type and placement.
Flat or hollow cheeks come from one of two root causes — lost soft tissue volume, or cheekbones that were never very prominent to begin with — and the right fix depends on which one you have.
A simple way to self-check: has your cheek flatness changed over time, or has it always looked this way — even in old photos from your 20s and 30s? A hollowed look that's new or has worsened with age usually points to soft-tissue volume loss. Cheeks that have always sat relatively flat, regardless of age, usually point to the underlying bone structure itself — a naturally underdeveloped or hypoplastic cheekbone (zygomatic/malar bone).
Filler and fat grafting both restore volume in the soft tissue layered over the cheekbone — they make a flat area look fuller, but they don't change the shape of the bone underneath. A cheek implant, by contrast, sits directly against the zygomatic bone and restores the skeletal framework itself, giving the face genuine structural projection rather than just added padding. For patients whose flatness is primarily a bone-structure issue, filler or fat alone will improve fullness but won't fully create the more sculpted, defined cheekbone they're picturing — which is why implants exist as a distinct option, not simply a "bigger" version of filler.
These options are also frequently combined: an implant can restore the underlying bony framework, while fat grafting refines the soft-tissue drape over it — complementary layers rather than competing choices. Dr. Kim will help you identify which category (or combination) actually matches your anatomy at consultation.
Cheek implants may be made of solid silicone or polyethylene, chosen based on your anatomy and goals. Dr. Kim typically places the implant through an incision inside the mouth (intraoral), positioning it against the cheekbone or overlying soft tissue before closing the incision — leaving no visible external scar. When cheek augmentation is combined with a facelift or eyelid surgery, the implant can sometimes be placed through the same incision used for that procedure instead.
Because the cheek implant sits near the infraorbital nerve, some temporary numbness or altered sensation in the cheek and upper lip area is common after surgery and typically resolves as healing progresses. Dr. Kim will discuss what to expect for your specific anatomy at consultation.
There's an on-call physician during off-hours, and every surgical patient has direct access to the surgeon's personal cell phone for surgery-related questions.
Expect tightness, swelling, and bruising for about 1–2 weeks following surgery. If the incision is intraoral, you'll follow a soft-food diet and oral hygiene protocol during initial healing.
Strenuous activity that strains the facial muscles — such as weight training — should be avoided for at least 7 to 10 days after surgery.
Total healing typically takes about two months as swelling fully resolves and tissue settles around the implant, but the resulting contour improvement lasts for many years.
Yes. Dr. Kim carefully selects the implant material, size, and shape to match your anatomy and aesthetic goals. As swelling subsides and surrounding tissue adjusts around the implant, most patients find the results both natural-looking and long-lasting.
Cheek implants are typically stable long-term once healed. Following all postoperative care instructions is key to reducing the risk of movement during the healing period — avoiding activities that strain the facial muscles, like weightlifting or sleeping on your face, helps protect the implant while it settles into position.
It comes down to whether your flatness is a soft-tissue or a bone-structure issue. If your cheeks have hollowed or lost fullness over time, filler or fat transfer — which restore soft-tissue volume — are usually the better starting point. If your cheekbones have always sat relatively flat, even when you were younger, the underlying bone itself is likely underdeveloped, and an implant is the option that actually addresses that structural cause. Dr. Kim will help you determine which applies to you at consultation, and some patients benefit from combining an implant with fat grafting for both structure and soft-tissue refinement.
Yes — if your goals or facial structure change over time, implants can be removed, exchanged, or repositioned. This is a conversation Dr. Kim can walk you through at consultation.
Shown with patient consent. Individual results vary by anatomy, technique, and healing.
"I would highly recommend Dr. Sang Kim. He is very knowledgeable and wants his patients to look as natural as possible. Never felt rushed by him or his staff. I had cheek implants & lower blepharoplasty — there was an improvement."
"Dr. Kim gave me a mini-lift, cheek implants and upper blepharoplasty. I'm very pleased with the results. My midface and lower face have been smoothed and lifted, yet very natural."
"My mid-face and lower face have been smoothed and lifted, yet very natural. Dr. Kim's staff was attentive, professional and thorough. Highly recommend."