Filler injection

Filler injection is a popular non-surgical cosmetic procedure that can help you achieve a younger, fuller appearance. In this comprehensive guide, we’ll delve into everything you need to know about filler injections, from how they work to the different types available, and what to expect during the procedure.


Filler Injection


What are Filler Injections?

Dermal fillers are injectable substances used to restore volume loss, smooth wrinkles, and enhance facial features. They are typically made from hyaluronic acid, a naturally occurring sugar molecule that plumps the skin by attracting and retaining moisture. Other types of fillers include calcium hydroxylapatite, poly-L-lactic acid (PLLA), and fat grafting.

Types of Fillers and Their Uses

There are various types of fillers, each with its unique properties and ideal applications:

  • Hyaluronic Acid (HA) Fillers: The most common type, HA fillers are temporary, lasting 6 to 18 months, depending on the product and injection location. They are ideal for treating fine lines, wrinkles, plumping lips, and adding volume to cheeks and temples.
  • Calcium Hydroxylapatite Fillers: These fillers have a longer-lasting effect than HA fillers, typically around 12 to 24 months. They are well-suited for deeper wrinkles and folds, and adding volume to the chin and jawline.
  • Poly-L-Lactic Acid (PLLA) Fillers: PLLA fillers stimulate collagen production, offering longer-lasting results (up to two years). They are effective for deep wrinkles, folds, and overall facial volumization.
  • Fat Grafting: This procedure involves transferring fat from another area of your body to your face for a natural-looking, long-term volume boost. Results can be permanent.

The Benefits of Filler Injections

Filler injections offer numerous advantages, including:

  • Non-surgical: No scalpels or incisions are involved, making it a minimally invasive procedure.
  • Faster Recovery: Compared to surgery, filler injections have a much shorter downtime.
  • Natural-Looking Results: Fillers can enhance your features without appearing overdone.
  • Versatility: They can address various concerns, from wrinkles to lip augmentation.
  • Relatively Quick Procedure: Filler injections typically take 30 minutes to an hour to complete.

Filler injection areas

Filler injections offer a versatile approach to facial rejuvenation. By strategically injecting different fillers into specific areas, you can address various concerns and achieve your desired aesthetic outcome. Here’s a breakdown of the most common filler injection areas and how they can enhance your appearance:

  1. Cheeks:

  • Concern: Loss of volume, sagging cheeks, flattened appearance.
  • Benefits: Restoring youthful fullness, lifting sagging skin, improving facial balance.
  • Filler Choice: Hyaluronic acid (HA) fillers are most commonly used due to their ability to add volume and create a natural look.
  1. Lips:

  • Concern: Thin lips, lack of definition, vertical lip lines.
  • Benefits: Plumping lips, enhancing shape and definition, smoothing out wrinkles.
  • Filler Choice: HA fillers are ideal for lip augmentation as they provide a soft, natural-looking fullness.
  1. Smile Lines (Nasolabial Folds):

  • Concern: Deep creases running from the nose corners to the mouth.
  • Benefits: Smoothing out wrinkles, creating a more youthful appearance.
  • Filler Choice: HA fillers with a thicker consistency are preferred for filling deeper folds.
  1. Marionette Lines:

  • Concern: Deep lines extending from the corners of the mouth downward.
  • Benefits: Softening wrinkles, creating a more lifted appearance in the lower face.
  • Filler Choice: Similar to smile lines, HA fillers with a slightly thicker consistency are suitable.
  1. Tear Troughs (Under-Eye Area):

  • Concern: Hollows or dark circles under the eyes, creating a tired look.
  • Benefits: Filling in hollowness, reducing the appearance of shadows, achieving a brighter eye area.
  • Filler Choice: Due to the delicate nature of the under-eye area, thin HA fillers specifically designed for this region are used.
  1. Temples:

  • Concern: Loss of volume in the temples, creating a gaunt appearance.
  • Benefits: Restoring fullness, creating a more balanced and youthful facial structure.
  • Filler Choice: HA fillers or calcium hydroxylapatite fillers can be used, depending on the desired outcome.
  1. Jawline and Chin:

  • Concern: Weak jawline definition, lack of chin projection.
  • Benefits: Defining the jawline, enhancing chin projection, creating a more sculpted look.
  • Filler Choice: Thicker HA fillers or calcium hydroxylapatite fillers offer better structure and definition.

What to Expect During a Filler Injection Treatment

A consultation with a board-certified dermatologist or plastic surgeon is crucial before undergoing filler injections. During the consultation, your doctor will discuss your goals, medical history, and recommend the most suitable filler type and injection sites.

The injection process itself is relatively simple. A topical anesthetic may be applied to numb the treatment area. The filler is then injected with a fine needle into specific areas of the face. The entire procedure is usually well-tolerated, with minimal discomfort.

Potential Side Effects of Fillers

As with any medical procedure, filler injections can cause some side effects, though usually mild and temporary. These may include:

  • Bruising
  • Swelling
  • Redness
  • Tenderness at the injection site
  • Asymmetry (rare)

Serious complications are uncommon but can occur. It is essential to choose a qualified and experienced healthcare provider to minimize these risks.

How Much Do Filler Injections Cost?

The cost of filler injections varies depending on the type of filler used, the amount needed, the treatment area, and your geographic location.


Filler injections can be a safe and effective way to achieve a more youthful, rejuvenated appearance. By consulting with a qualified healthcare provider and choosing the right type of filler, you can achieve natural-looking results that boost your confidence.

Remember, this article provides general information and shouldn’t be a substitute for consulting a medical professional. Always discuss your specific concerns and goals with a board-certified dermatologist or plastic surgeon to determine if filler injections are right for you.

Dr. Amin Amali

Dr. Amin Amali is an otorhinolaryngologist and rhinoplasty and facial plastic surgeon. He graduated from Tehran University of Medical Sciences and completed an advanced course at Stanford University in the United States.

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