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Facial Contouring Injections: Types & Effects — Which Treatment Is Best for Cheek Fat, Double Chin & a Less-Defined Jawline? | Hongdae Facial Contouring Injection
Just because your face looks larger or your jawline has become less defined does not necessarily mean that you have a lot of fat throughout your entire face.
Although cases such as fat concentrated in specific areas like the cheeks or double chin, developed muscles such as a square jaw,
and sagging cheeks and jawline due to reduced skin elasticity may look similar on the surface, their causes are different.
Among these cases, contour injections are suitable when unnecessary facial fat makes the cheeks, double chin, or jawline appear fuller or thicker.
Therefore, to improve the effectiveness of contour injections, rather than focusing on whether there is a lot of fat throughout the entire face,
the key is to identify what is actually making the face appear larger.
30-Second Key Summary
Contour injections are not only for people who have a lot of fat throughout their entire face.
Even if your body weight is normal, if fat is concentrated in specific areas
such as the cheeks or double chin and makes your facial contour look less defined, contour injections may be considered.
On the other hand, if the main reason your face looks wide is the square jaw muscles, jaw Botox may be more appropriate,
while lifting may be a more direct approach if the cause is sagging skin and tissue.
In particular, if there is clearly defined fat under the chin, V-Olfit, which destroys fat cells using DCA (deoxycholic acid), may be considered,
while Power Contour Injection or Upthera Injection may be considered if you want to reduce localized facial fat around the cheeks, cheekbones, or jawline.
In other words, distinguishing the cause as fat → contour injection / muscle → Botox / sagging → lifting makes treatment selection clearer.

What Are the Effects of Contour Injections?
Contour injections are injectable treatments used to reduce unnecessary fat accumulated in areas such as the cheeks, jawline, and double chin
to create a smoother and slimmer facial contour.
Facial contours are not determined solely by bone structure.
The amount and distribution of subcutaneous fat, the size of the jaw muscles, skin elasticity, and sagging all contribute to the shape of the face.
Among these factors, contour injections focus on cases where fat causes certain areas of the face to protrude or makes the jawline less defined.
They can be used in cases where excessive cheek fat makes the face look round, fat is concentrated below the cheekbones,
fat accumulates along the jawline, or a double chin makes the boundary between the jaw and neck less defined.
✔CHECK POINT
Round face due to excessive cheek fat → Consider contour injections
Undefined jawline due to fat under the chin → Consider contour injections or double-chin fat reduction injections
Wide lower face due to square jaw muscles → Consider jaw Botox
Sagging cheeks and jawline → Consider lifting
Do Contour Injections Only Work If You Have a Lot of Facial Fat?
No. Even if you do not have a lot of fat throughout your entire face, if fat is concentrated in specific areas such as the cheeks, jawline, or double chin,
you may still expect results from contour injections.
When deciding whether to receive contour injections, what matters is not your overall body weight or whether your entire face has a lot of fat,
but whether there is actually fat in the area you want to reduce.
For example, some people have a slim body but still have noticeable cheek fat that makes the face look round,
or a double chin that does not decrease significantly even after losing weight.
In these cases, even if the overall amount of facial fat is not high,
contour injections can be used to target localized fat deposits.
Conversely, even if the face appears full, the effects of contour injections may be limited if the actual cause is not fat.
If a firm muscle noticeably protrudes below the ear when you clench your teeth, the cause may be masseter muscle development,
while if the jawline becomes more defined when the cheeks are lifted upward, sagging skin and soft tissue may be making the face look wider or heavier.
Therefore, the key points are as follows.
A lot of fat throughout the face → Contour injections may be suitable
Slim face but localized fat in specific areas → Contour injections may be suitable
Wide face caused by muscle → Jaw Botox
Heavy-looking face caused by sagging → Lifting
In other words, contour injections should not be understood as a “treatment for people with a lot of facial fat,”
but rather as “a treatment used when unnecessary localized fat makes the facial contour less defined.”

How Can You Tell Whether a Larger-Looking Face Is Caused by Fat or Muscle?
If you can easily pinch soft tissue around the cheeks or under the chin, fat may be the cause, while if the sides of the jaw become firm and protrude when you clench your teeth, the masseter muscles may be the cause,
and if the jawline is blurred by tissue sagging downward, sagging may be the primary factor.
Even for the same concern of having a larger-looking face, the appropriate treatment may differ.
If You Can Pinch Cheek Fat or a Double Chin, It May Be Fat
If you can easily pinch a sufficient amount of soft subcutaneous fat around the cheeks or under the chin
and that area makes the facial contour appear less defined, contour injections may be considered.
In particular, if cheek fat or a double chin remains even after losing weight,
an approach that selectively targets localized fat may be helpful.
If Your Jaw Protrudes When You Clench Your Teeth, It May Be Muscle
If the square appearance of the jaw is caused by developed masseter muscles rather than fat,
jaw Botox is a more direct approach than contour injections that reduce fat.
This approach aims to reduce the volume of the masseter muscles and narrow the width of the lower face.
If the Jawline Has Dropped Downward, It May Be Sagging
If you do not have much cheek fat but the deep cheek tissue and jawline have descended, making the face look heavy,
lifting may take priority over fat reduction.
Excessively reducing fat in this type of face may instead emphasize hollow cheeks,
so a lifting approach that improves sagging may be more suitable.
Key Answer
Fat → Contour Injection
Muscle → Botox
Sagging → Lifting
Fat + Muscle → Contour Injection + Jaw Botox
Fat + Sagging → Fat Reduction + Lifting
Which Contour Injection Is Suitable for Excessive Cheek Fat and a Round Face?
If localized fat around the cheeks and cheekbones makes the face look round,
Power Contour Injection or Upthera Injection may be considered to selectively reduce fat in the necessary areas.
Cheek fat has a significant impact on the overall appearance of the face.
In particular, when fat is concentrated below the cheekbones and around the cheeks, the face may look wider and rounder than the actual bone structure,
and the jawline may appear shorter from the front.
Power Contour Injection can be used to reduce volume in areas where facial fat is concentrated, such as the cheeks, around the cheekbones, jawline, and double chin,
and to refine the overall facial contour.
Upthera Injection is also a contour injection designed to reduce unnecessary localized fat and refine the cheeks and jawline,
and is formulated without steroids.
Therefore, rather than simply making the entire face smaller, the key is to selectively reduce unnecessarily protruding areas of fat
to create smoother facial curves and contours.
Which Is Better for a Double Chin: General Contour Injections or V-Olfit?
If there is clearly accumulated fat under the chin,
V-Olfit, which destroys fat cells using DCA (deoxycholic acid), may be considered first.
General contour injections and DCA-based injections differ in how they target fat.
DCA used in V-Olfit is a secondary bile acid that also naturally exists in the body,
and when injected into the subcutaneous layer, it destroys fat cell membranes and reduces the number of fat cells.
Deoxycholic acid injections are also approved in Korea for improving moderate to severe protruding or excessive submental fat in adults.
Therefore, if fat remains under the chin even after dieting, or if submental fat makes the boundary between the jaw and neck less defined,
a DCA-based treatment specifically targeting submental fat may be a clearer choice than general facial contour injections.
Key Answer
Localized fat around the cheeks, cheekbones, and jawline → Power Contour Injection · Upthera Injection
Clearly defined submental fat · Double chin → V-Olfit
Double chin + Skin sagging → Consider both fat reduction and skin elasticity

What Should You Do If You Have Both Facial Fat and Developed Square Jaw Muscles?
If you have developed masseter muscles along with cheek or jawline fat,
combining contour injections with square jaw Botox can be effective in reducing both the volume and width of the lower face.
There is not always just one reason why the face appears wide.
It is common to have excess fat around the cheeks and jawline together with developed masseter muscles below the ears.
If only contour injections are performed in this case, the volume caused by fat may decrease,
but the width of the lower face caused by muscle may remain.
Conversely, if only square jaw Botox is performed, the muscles may decrease while the fat around the cheeks and jawline remains.
Therefore, when both causes are present, each treatment can address a different factor.
Contour Injection → Fat around the cheeks and jawline
Square Jaw Botox → Developed masseter muscles
Improving both factors together can be more effective for
refining the overall contour of the lower face than simply reducing the size of one area.
Are Contour Injections Effective If the Jawline Has Lost Definition Due to Sagging Rather Than Facial Fat?
If there is not much fat and the jawline has lost definition because the skin and cheek tissue have sagged downward,
lifting is more suitable than contour injections.
When the jawline becomes less defined with age, people often think that they have “gained facial fat,”
but in some cases, the actual cause is reduced skin elasticity and downward movement of the tissue.
In particular, if your weight has not increased but the deep cheek tissue has descended, tissue has gathered beside the mouth,
or the jawline has become less defined, it is important to first assess the impact of sagging rather than the amount of fat.
In these cases, rather than excessively reducing fat, an approach using energy-based lifting treatments such as Ulthera, Thermage, and Sofwave
to improve elasticity and sagging may be more suitable.
Conversely, if the face has both fat and sagging,
fat-reduction treatments and lifting can be combined to improve both facial volume and elasticity.
✔CHECK POINT
Thick jawline with pinchable fat → Fat Reduction
Not much fat but the jawline has dropped → Lifting
Double-chin fat + Jawline sagging → Fat Reduction + Lifting
Can You Receive Contour Injections If You Have a Slim Face?
Even if your overall face is slim, contour injections can be used if unnecessary fat is concentrated in the double chin or specific areas of the cheeks,
but reducing fat in areas that are already hollow should be avoided.
Having a slim face does not mean that every area of the face has little fat.
Some people have hollow temples or lateral cheeks but still have fat under the chin,
while others have a slim upper face but concentrated fat only in the lower face.
In these cases, rather than performing contour injections throughout the entire face,
it is important to distinguish between areas where fat should be preserved and areas where it should be reduced.
For example, if the lateral cheeks are already hollow, it is more natural to preserve volume in that area rather than reduce more fat,
while selectively reducing only unnecessary fat such as a double chin.
In other words, contour injections can be used even on slim faces, but the approach should focus on “localized contour correction” rather than “reducing fat throughout the entire face.”
When Do the Effects of Contour Injections Begin to Appear?
With general facial contour injections, as the fat-reduction process progresses,
changes in the facial contour may begin to become noticeable after approximately 2–3 weeks.
Unlike fillers, contour injections do not create an immediate shape directly after injection.
Immediately after the treatment, temporary swelling may actually occur due to the injected solution and tissue response,
and changes in the facial contour become noticeable as the fat-reduction process progresses.
Therefore, rather than judging the results based on facial size immediately after treatment,
it is important to allow time for the swelling to settle and the fat-reduction process to progress before evaluating changes.
In particular, if you have an important event such as a wedding or photo shoot,
it is better to plan the treatment in advance to allow enough time for swelling and changes to stabilize rather than receiving the treatment immediately before the event.
Can Contour Injections Alone Create a V-Line?
If the main reason your face looks wide is fat around the cheeks, jawline, or double chin,
contour injections alone may help create a slimmer facial contour, but if muscle or sagging is also involved, Botox or lifting should also be considered.
There is no single correct answer for creating a V-line.
This is because the components that shape the lower face differ from person to person.
Cheek fat · Jawline fat → Contour Injection
Square jaw muscles → Jaw Botox
Double-chin fat → Submental fat reduction injections such as V-Olfit
Undefined jawline due to sagging → Lifting
Therefore, what matters in facial contouring treatments is not receiving as many treatments as possible,
but accurately addressing the cause that makes the face appear larger.
FINAL ANSWER
Fat around the cheeks, jawline, and cheekbones → Power Contour Injection · Upthera Injection
Clearly defined double chin · Submental fat → V-Olfit
Square jaw muscles → Jaw Botox
Reduced elasticity and sagging jawline → Lifting
Fat + Muscle → Contour Injection + Jaw Botox
Fat + Sagging → Fat Reduction + Lifting
Contour injections are not only effective for people who have a lot of fat throughout their entire face.
Regardless of overall body weight, if unnecessary fat is concentrated in specific areas of the face
and that fat makes the facial contour less defined, contour injections can be used.
Frequently Asked Questions About Contour Injections (FAQ)
Are Contour Injections Only for People With a Lot of Facial Fat?
No. Even if your overall face is slim, contour injections may be considered if fat is concentrated in specific areas such as the cheeks or double chin.
Whether there is localized fat that actually needs to be reduced is more important than overall body weight.
Which Contour Injection Is Suitable for Cheek Fat?
If you want to reduce unnecessary fat around the cheeks and cheekbones, Power Contour Injection or Upthera Injection may be considered.
It is important to selectively reduce protruding areas of fat rather than reducing the entire face.
Which Injection Is Effective for a Double Chin?
If there is clearly defined fat under the chin, V-Olfit using DCA (deoxycholic acid) may be considered.
DCA works by destroying fat cell membranes and reducing the number of fat cells under the chin.
Why Might Contour Injections Not Be Effective?
If the face looks larger because of the masseter muscles or skin sagging rather than fat, contour injections alone may not produce significant changes.
If the masseter muscles are the cause, jaw Botox may be a more direct approach, while lifting may be more appropriate if sagging is the cause.
Can I Receive Contour Injections and Jaw Botox Together?
If both fat around the cheeks and jawline and square jaw muscles are developed, the two treatments can be used together.
Contour injections reduce fat, while jaw Botox reduces the masseter muscles.
Can I Receive Contour Injections and Lifting Together?
If both fat and sagging are present, the treatments can be combined.
Contour injections reduce unnecessary fat, while lifting improves skin elasticity and sagging.
Are Contour Injections Effective If My Double Chin Does Not Go Away Even After Dieting?
If localized fat remains under the chin even after losing weight, injectable treatments may be considered.
In particular, DCA-based double-chin fat reduction injections are used for protruding or excessive submental fat.
Can I Receive Treatment If My Face Is Slim but I Only Have a Double Chin?
Yes. Even if the overall amount of facial fat is low, if fat is locally accumulated under the chin,
an approach that selectively improves only that area is possible.
Can I Receive Contour Injections If I Have Hollow Cheeks?
Further reducing fat in already hollow areas such as the lateral cheeks or temples is not appropriate.
It is important to preserve volume in hollow areas while selectively targeting only areas that actually have excess fat, such as the cheeks or double chin.
What Is the Most Important Criterion When Choosing Contour Injections?
The most important factor when choosing contour injections is first determining whether the face looks larger because of fat, muscle, or sagging.
The same treatment cannot be applied to everyone simply because they “want a smaller face.”
If fat such as cheek or jawline fat is the cause, contour injections may be appropriate, while Botox may be appropriate if muscle such as a square jaw is the cause,
and if the jawline has lost definition because the skin and tissue have descended, lifting may be a more direct approach.
And if fat is clearly concentrated in a specific area such as the double chin,
a fat-reduction method specialized for that area can be selected.
