What Cannula Size is Best for Fillers?

What Cannula Size is Best for Fillers-Diaminy Filler Cannulas

Dermal fillers are a standard option for improving face features and regaining youthful volume. However, besides the benefits of these injectable remedies, there is a technical aspect to consider, and a crucial component of

that approach is the cannula.

Cannulas have blunt tips and a lower chance of blood vessel injury and bruises. Because precision is crucial in cosmetic procedures like fillers, the size of the cannula is an essential factor to consider when using fillers. Choosing the right filler cannula size is vital to getting the best results.

But with so many options available, how do you pick the best filler cannula size for your unique filler requirements?

Knowledge of Cannula Sizes

Cannula sizes vary, usually based on their gauge and length. Gauge is a system used to classify cannulas based on their diameter. Higher gauge numbers suggest thinner cannulas and lower numbers indicate larger ones.

Depending on the manufacturer and intended purpose, cannula lengths vary, with standard sizes falling between 18 and 30 gauge.

Below is a summary of the most popular filler cannula sizes for face fillers:

  • 22G–23G: These bigger gauges are perfect for deeper injections and thicker fillers; doctors frequently utilize them for cheek augmentation and jawline contouring.
  • 25G: This mid-range size finds a happy medium between control and safety. It’s a popular option for many treatments because it works well with different fillers and regions.
  • 27G–30G: These thinner gauges are ideal for sensitive locations where minimal trauma and accuracy are essential, such as the lips or tear troughs. Their ideal fillers are thinner ones.

Diaminy 25g 50mm cannulas

Factors Affecting the Choice of Cannula Size

Although gauge plays a significant role, there are a few other factors to take into account when choosing the ideal cannula size:

Treatment Area

Different facial locations require various degrees of control and precision when injecting filler. A larger cannula (22–25 G) may be appropriate to ensure effective filler distribution in more extensive areas, such as the cheeks or temples.

On the other hand, practitioners frequently require smaller cannulas (27G–30G) for sensitive locations like the lips or beneath the eyes to reduce trauma and produce accurate findings.

Cannula size for different Treatment Area

Consistency of Filler

The right cannula size is also largely determined by the filler’s viscosity. While practitioners can inject thinner fillers with smaller cannulas to guarantee precise placement, thicker fillers could require larger cannulas to allow smooth injection and avoid clogging.

different types of fillers

Your Comfort

Another vital factor to consider is your comfort throughout the treatment. Do you want a more dramatic definition or a more subdued volumization?

While smaller cannulas (27G-30G) allow precision control for delicate shaping, larger cannulas (22G-25G) can deposit more product for a significant correction. For this reason, choosing a cannula size that strikes a balance between your comfort and effectiveness is crucial to a good outcome.

Remember that filler viscosity, length, and cannula size are only a few of the puzzle’s components. Here are a few other things to consider:

  • Flexibility of the Tip: A flexible tip minimizes discomfort and tissue disruption by facilitating more straightforward navigation within tissues. Pre-bent tips are an option for some cannulas, providing even more control and accuracy in particular regions.
  • Needle Attachment: A blunt cannula is used for product insertion after some cannulas include a detachable needle tip for first skin penetration. This can be useful for specific operations or patient preferences.

What are the other factors aside from cannula size that can affect the outcome of a filler treatment?

Indeed, several additional parameters besides cannula size can influence how well a filler therapy works. Here are a few crucial ones to think about:

Type and Composition of Filler

Fillers with different characteristics and indications include hyaluronic acid fillers, calcium hydroxylapatite fillers, and poly-L-lactic acid fillers. The filler’s composition, viscosity, and longevity can affect how long the results last and look and which parts of the face it is appropriate for.

Experience and Skill of the Injector

Achieving the desired results depends on the ability and experience of the injector to administer the filler therapy.

A skilled practitioner who understands facial anatomy, injection procedures, and product selection can reduce the chance of problems and produce more accurate, natural-looking results.

Evaluation and Consultation of Patients

Understanding the patient’s aesthetic objectives, medical history, and anatomical factors requires a thorough examination and consultation. An injector can create a treatment plan specific to the patient’s needs and goals by evaluating volume loss, skin laxity, and asymmetries.

The Technique of Injection

The injection technique aestheticians use during filler treatment can strongly impact the results’ distribution, symmetry, and durability. So, most practitioners use methods like cross-hatching, fanning, and linear threading to address various areas of concern and produce your desired aesthetic result.

Differences in Anatomy

Anatomical variables that affect a person, such as vascular anatomy, bony prominences, and tissue thickness, affect the risk of adverse effects and the choice of injection sites. Understanding these differences is essential to preventing issues and getting the best filler placement.

Getting Ready for the Treatment

Pre-treatment care reduces the chance of infection and discomfort during the filler operation by cleaning, disinfecting, and applying anesthetic to the skin. The doctor can also maximize safety and effectiveness by going over pre-treatment instructions with you, such as abstaining from alcohol and blood thinners.

Care Following Treatment

Proper post-treatment care is crucial to maximizing filler results and extending their longevity. In the early post-treatment period, you should refrain from heavy sun exposure, intense activity, and facial manipulation to mitigate the possibility of swelling, bruising, and filler migration.

The injector can evaluate treatment results, correct issues, and offer further maintenance and improvement recommendations at follow-up appointments.

So, which Filler Cannula Size is Best?

Selecting the appropriate cannula size might be like traversing a maze because several sizes are available. Do not be alarmed! Here’s the proper knowledge to choose the right cannula size for perfect filler results.

The Cheeks and the Temples

A bigger gauge cannula, such as 18 or 20G filler cannula, helps speed up the injection procedure and ensure equal filler distribution for volumizing treatments in places like the cheeks and temples, where accuracy may be less critical.

Diaminy Temples cannula 18G FILLER CANNULA

Marionette lines with Nasolabial folds

Using smaller cannulas helps to negotiate intricate structures with less disruption in areas with finer features, such as the marionette lines and nasolabial folds. For these locations, the practitioner employs cannula diameters between 25 and 30 gauge to achieve exact placement and results that look natural.

Diaminy under eyes cannula 30G

Area Under the Eyes

The delicate nature and close closeness to the eye make the under-eye area extremely precise. To reduce the chance of bruises, edema, and vascular compromise, it is best to inject fillers in this area using a tiny cannula, usually between 27 and 30 gauge.



The doctor requires attention to detail to provide symmetrical and natural-looking results for lip augmentation operations. By using a tiny cannula—typically 25 to 27 gauge, you experience fewer vascular problems, and the doctor can precisely control the filler placement.

Benefits of Using Cannulas for Fillers

Cannulas are flexible and blunt-tipped tools, unlike typical needles. They provide a kinder and more satisfying experience. The following explains why cannulas could be your next filler appointment’s hidden weapon:

Lessening of Bruising and trauma

When the practitioner administers filler injections using cannulas, the surrounding tissues sustain less damage than conventional needles. As a result, the patient experiences less bruising, swelling, and downtime, which makes their recovery more comfortable.

Accurate Filler Positioning

With the increased control over filler placement that cannulas provide, practitioners can more easily navigate anatomical obstacles and deliver predictable results. In sensitive sectors where accuracy is critical, this precision is paramount.

Reduced Chance of Vascular Issues

One of the most significant benefits of employing cannulas is the decreased chance of vascular problems, including occlusion and intravascular injection. The blunt tip of the cannula reduces the chance of major adverse events by assisting in safely navigating blood arteries without puncturing them.

Benefits of Using Cannulas for Fillers

Increased Control and Precision

Cannulas make a retrograde injection, where the doctor places the filler using the backward threading motion. This method provides more control over product placement, lowering the possibility of overcorrection and producing more realistic outcomes.

Decreased Downtime

Patients frequently recover more quickly and have less downtime following their filler treatment since cannulas reduce trauma. It makes it easier for you to resume your regular schedule.

Handling of Sensitive Areas

Cannulas help treat sensitive areas such as the tear ducts or lips. Their flexibility and reduced size enable accurate injections in these delicate areas with a low risk of consequences.

Are there any risks associated with using cannulas for filler injections?

Although cannulas are far more convenient to use for filler injections than conventional needles, there are still specific hazards involved in using them. Even though these hazards are typically less than those associated with needle injections, physicians and patients alike should be aware of them.

The following are some possible dangers connected to injecting filler using cannulas:

Swelling and Bruising

While cannulas inflict less damage on the surrounding tissues than needles, there is still a chance of some degree of swelling and bruises after filler injections. The patient’s skin sensitivity, the injection method, and the treated area may affect the extent of the swelling and bruises.

Pain and Unease

Because of its blunt tip, cannulas usually don’t hurt as much as needles do, although patients may still feel some pain or discomfort while getting an injection. Nerve blocks or topical anesthetics can reduce pain and improve patient comfort.

Formation of Hematomas

Hemostat development, or the collecting of blood outside blood arteries, is an uncommon adverse effect of filler injections using cannulas. Accidental damage to blood vessels during the injection procedure may result in hematomas.

The practitioner can reduce danger with appropriate technique, cautious injection site selection, and familiarity with the anatomy of the face.


There is a chance of infection at the injection site even though the risk of infection from cannula injections is minimal. To reduce the risk of infection, practitioners should follow stringent aseptic procedures, which include adequate skin preparation and disinfection.

You should receive counseling from your practitioner to adhere to post-treatment care guidelines.

Damage to Nerves

There is a slight chance of nerve harm during filler injections, even though cannulas are less likely to do so than needles. Complex anatomical parts such as the lips and under-eye area are more susceptible to this injury.

But the good news is that aestheticians can reduce the danger of nerve injury by paying close attention to injection depth, avoiding high-risk locations, and carefully selecting patients.

Problems with Vascularization

A cannula can cause vascular problems such as intravascular injection and vascular occlusion, even if it is less likely than a needle to pierce blood vessels. Vascular compromise can result in tissue ischemia, decreased blood flow, and possible tissue necrosis or tissue death.

Is there a Difference in Pain level when Using Different Cannula Sizes for Filler Injections?

Varying filler injection cannula sizes may cause varying pain levels, although there isn’t always a clear-cut explanation. Here is an in-depth look at the variables:

  • Tissue damage: Thinner cannulas (27G–30G) typically result in less tissue damage because of their smaller diameter. Compared to thicker cannulas (22G–25G) required for larger areas or thicker fillers, this may result in a less uncomfortable experience.
  • Needle Attachment: Certain cannulas have a removable needle tip for initial skin penetration. Whichever size of cannula practitioners use for the actual product placement may slightly increase the pain level by this first needle prick.
  • Injection Technique: The injector’s skill is one of the most significant factors in reducing discomfort. Regardless of the size of the cannula, they can lessen pain by using techniques like the right numbing drugs, controlled injection depth, and a soft touch.
  • Individual Pain Tolerance: Everybody experiences pain differently. A mild discomfort for one individual may be too sensitive for another.

It is essential to keep in mind:

Cannulas generally disrupt tissue less than needles; therefore, using them can result in a less painful injection experience.

Although smaller cannulas may offer a slight advantage in terms of reducing pain overall, many variables affect how painful filler injections feel. Your experience can significantly improve by speaking with a licensed practitioner who regularly utilizes cannulas and prioritizes the patient’s comfort.

They can discuss pain management strategies to guarantee secure and comfortable therapy and select the right cannula size for your unique requirements.

In summary

Selecting the appropriate cannula size is essential to successfully performing filler treatments. To achieve the best outcomes, practitioners can consider variables such as the treatment region, consistency of the filler, and patient comfort.

Selecting the appropriate cannula size for filler treatments guarantees accuracy, less trauma, and natural results, whether the patient is augmenting their lips or volumizing their cheeks. You will only know the optimum course of action for your unique needs after consulting with a trained and experienced practitioner.

Are you prepared to investigate the possible advantages of cannulas for your following filler procedure?

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If you use a microcannula, you know how important accuracy, security, and quality outcomes are. For premium microcannulas that offer unparalleled performance and patient happiness, Diaminy is the place to go.

So, are you prepared to advance your filler injection techniques? Diaminy Online Shop is the only place to look!

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