A smaller or recessed chin can be enhanced through several approaches, ranging from injectable fillers that take minutes to surgical procedures that permanently reshape the bone. The right option depends on how much projection you want, how long you want it to last, and whether you’re open to surgery. Here’s what each method involves and how they compare.
How Chin Projection Is Measured
Surgeons and orthodontists evaluate chin size using a lateral profile view. One common reference is the Ricketts E-plane, a line drawn from the tip of the nose to the tip of the chin. In a balanced profile, both lips sit slightly behind this line. If your chin falls well short of that line, your lower face can appear flat or receding, even if your chin is structurally normal but simply under-projected relative to your nose and lips.
This matters because the “fix” depends on the cause. A structurally small chin bone (called microgenia) usually needs a surgical solution. But if your chin looks small mainly because of excess fat beneath it or a slightly recessed jawline, non-surgical options can make a visible difference.
Chin Fillers: The Non-Surgical Option
Injectable dermal fillers are the fastest, least invasive way to add chin projection. A provider injects a gel-like substance directly into the chin area to build volume and shape. The two main filler types used for chins are hyaluronic acid (found in products like Juvéderm Voluma) and calcium hydroxylapatite (sold as Radiesse). Hyaluronic acid fillers generally last 6 months to 2 years depending on the formulation, while calcium hydroxylapatite lasts about 12 months and also stimulates your body to produce its own collagen over time.
When these products are combined or layered for chin augmentation specifically, results typically last 15 to 24 months with touch-up treatments every 12 months. The procedure takes under an hour, requires no general anesthesia, and has minimal downtime. You’ll see results immediately, though mild swelling can slightly distort the shape for the first few days.
Fillers work best for mild to moderate projection changes. If you’re looking for a dramatic transformation or want something permanent, you’ll likely need surgery.
Chin Implants: Permanent Enhancement
A chin implant is a solid piece of biocompatible material placed over the chin bone to add projection and width. It’s the most common surgical approach for people who want a permanent change without altering the bone itself.
Silicone is the most widely used implant material, and a systematic review in Plastic and Reconstructive Surgery Global Open found it had the lowest rate of aesthetic dissatisfaction at just 0.26% across 825 patients. Newer porous materials like Medpor allow surrounding tissue to grow into the implant, which improves stability, but they had slightly higher dissatisfaction rates (1.9% for Medpor, 2.3% for Gore-Tex). Silicone implants are also easier to remove or replace if needed, since tissue doesn’t fuse into them the way it does with porous materials.
The implant is placed through either a small incision inside the mouth (between the lower lip and gum) or an incision beneath the chin. The external approach has a lower overall complication rate of 2.5% compared to 3.96% for the intraoral route, though the trade-off is a small scar under the chin that typically fades well. Placing the implant beneath the tissue lining of the bone (subperiosteal placement) is standard and carries a complication rate of about 4.6%, while placement above that lining nearly triples the risk to around 14%.
Most swelling subsides within the first few weeks, but it can take up to six months for the implant to fully settle and for your final result to be visible.
Sliding Genioplasty: Reshaping the Bone
A sliding genioplasty is a more involved surgical procedure where a surgeon cuts the chin bone horizontally, slides the lower segment forward, and fixes it in its new position with small titanium plates. Unlike an implant, this actually repositions your own bone, which means the result is entirely natural tissue.
This procedure is often preferred when someone needs a larger advancement than an implant can provide, or when the chin also needs to be moved vertically (lengthened or shortened) or shifted to one side to correct asymmetry. It’s particularly common in patients who also have bite issues, since it can be combined with jaw surgery.
One risk specific to this surgery is injury to the mental nerve, which provides sensation to your lower lip and chin. Nerve-related numbness or pain is reported in up to 10% of cases when a bone cut is involved, since the nerve canal runs through the jawbone and its exact position varies from person to person. Most numbness is temporary, but permanent changes in sensation are possible.
Fat Transfer: A Middle-Ground Approach
Fat grafting uses your own body fat, typically harvested from the abdomen or thigh through gentle liposuction, then processed and injected into the chin. The appeal is that you’re using your own tissue, so there’s no risk of an allergic reaction or implant-related complications.
The challenge is predictability. Fat survival rates after transfer vary widely, from about 20% to 82%, meaning a significant portion of the injected fat gets reabsorbed by the body over the following months. Most studies report retention in the 20% to 50% range. Surgeons often over-inject slightly to compensate, and some patients need a second session to achieve their desired result. Processing the fat through filtration or centrifugation before injection may improve how much survives, though results still vary.
Reducing Submental Fat for Better Definition
Sometimes a chin looks small not because the bone is undersized, but because excess fat beneath it blurs the jawline. Addressing that fat can dramatically sharpen the chin’s appearance without adding any volume to the chin itself.
An injectable treatment using a synthetic form of a bile acid (sold as Kybella) is the only FDA-approved non-surgical option for this. When injected into the fat pad under the chin, it permanently destroys fat cells, which are then cleared by the body’s immune system over several weeks. The process also stimulates collagen production, which tightens the overlying skin. Most people need a series of injections spaced about a month apart. The ideal submental profile has a visible jawline border and a neck-to-chin angle of about 105 to 120 degrees, and this treatment can help rebuild those contours without surgery.
For larger amounts of submental fat, liposuction remains more efficient, removing fat in a single session with results visible once swelling resolves.
Cost Differences
The American Society of Plastic Surgeons reports the average surgeon’s fee for chin augmentation surgery at $3,641, but this figure doesn’t include anesthesia, facility fees, or other related costs, which can easily double the total. A sliding genioplasty is generally more expensive than a simple implant due to the complexity of cutting and repositioning bone. Geographic location and surgeon experience also significantly affect pricing.
Filler treatments cost less upfront, typically ranging from $1,000 to $3,000 per session, but the expense recurs every 12 to 24 months. Over five or ten years, the cumulative cost of fillers can exceed the one-time cost of surgery.
Choosing the Right Approach
Your best option depends on how much change you’re after and how you feel about surgery. For a subtle improvement of a few millimeters, fillers offer a low-risk way to test how more projection looks on your face before committing to anything permanent. If you want a lasting result and your chin bone is structurally small, an implant gives predictable, permanent projection with a relatively straightforward recovery. A sliding genioplasty makes the most sense when you need a large advancement, vertical changes, or correction of asymmetry.
If your chin mostly looks small because of fullness underneath it, treating the submental fat alone might be enough. Many people combine approaches, pairing submental fat reduction with a small implant or filler to get both sharper definition and better projection.