Introduction:
Have you ever heard of PLLA and PDLLA collagen stimulator fillers before?
While the acronyms might confuse a bit, those types of biodegradable polymers have been widely used in beauty aesthetic treatments!
Poly-L-lactic acid (PLLA) and poly-D-lactic acid (PDLLA) fillers have gained significant popularity among South Korean clinics. Both are biodegradable polymers used for facial volume enhancement and rejuvenation by stimulating the natural production of collagen. However, despite the highly similar acronyms they differ in when it comes to composition, application, and outcomes.
In this blog, we will analyze these two types of stimulator fillers, their differences, uses ideal candidates, and potential risks.

What are PLLA and PDLLA Fillers?
First thing first, in order to be able to differentiate the two, we have to grasp what exactly are PLLA and PDLLA.
Let’s start with Poly-L-lactic acid (PLLA) Fillers:
It is a biocompatible and biodegradable polymer (FDA-approved) that stimulates collagen production in the skin. It works gradually, promoting the body’s natural collagen synthesis over time. PLLA fillers are often views as both filler and skin booster as they offer increased volume and improved skin texture.
The we have Poly-D-lactic acid (PDLLA) Fillers:
As the name suggests, they are fact a variant of PLLA, therefore is also biocompatible and biodegradable but has a slightly different molecular structure, which creates different properties. PDLLA fillers also stimulate collagen production but with a more immediate volumizing effect.
Key Differences Between PLLA and PDLLA:
Now that we have clear both definitions and origins, it is time to specifically look into the key differences of PLLA and PDLLA collagen stimulators.
For a much easier visualization, we have synthesized them in the table below:

Uses of PLLA and PDLLA Fillers
If you are still reading up to here, you might be wondering now what are Poly-L-lactic acid (PLLA) and poly-D-lactic acid (PDLLA) fillers used for? No worries we have the answer to all of your questions!
Both PLLA and PDLLA fillers are primarily used for facial volume restoration, contouring and body enhancement.
Common applications may include:
- Cheek Augmentation: To restore youthful fullness to the mid-face.
- Jawline Definition: To enhance the jawline and provide structure.
- Temporal Volume Restoration: To treat hollowness in the temples.
- Wrinkle Reduction: To smooth out deeper wrinkles and folds, such as nasolabial folds.
- Body Contour (PLLA): To enhance the volume of breast, hip and buttocks
Who Should Choose PLLA Treatment vs. PDLLA Treatment?
Since Poly-L-lactic acid (PLLA) and Poly-D-lactic acid (PDLLA) fillers are so similar and yet so different, the doubt of which one to inject for your beauty treatment might naturally pop out easily.
Hence, we have synthesized them in the table below:

Risks and Considerations
While both PLLA and PDLLA fillers are generally safe, there are potential risks and considerations to keep in mind:
- Injection Site Reactions: Swelling, bruising, and redness at the injection sites are common and usually temporary.
- Nodules or Lumps: Rarely, small nodules may form under the skin, particularly with PLLA due to its slower absorption.
- Allergic Reactions: Though uncommon, individuals may experience allergic reactions to any filler material.
Conclusion
Understanding the differences between these collagen-therapy inducing fillers, can be of help for making an informed choice tailored to your needs and aesthetic goals.
Nevertheless, PLLA and PDLLA stimulator fillers are indeed the rightful choice for those looking for long-lasting results that can help to enhance their facial volume and rejuvenate their appearance while maintaining the “natural effect look”.
If you are curious to get to know more, don't forget to check us out on our other platforms!
Official wesbite: https://medifella.com/
Medi-Fella Shop website: https://www.medifellashop.com/
Instagram: https://www.instagram.com/medifella_korea/
Facebook: https://www.facebook.com/medifella
Written by: Romina (Manager of Int'l Sales)
Email: romina@medifella.com
Whatsapp: +82 01066848893
Introduction:
Have you ever heard of PLLA and PDLLA collagen stimulator fillers before?
While the acronyms might confuse a bit, those types of biodegradable polymers have been widely used in beauty aesthetic treatments!
Poly-L-lactic acid (PLLA) and poly-D-lactic acid (PDLLA) fillers have gained significant popularity among South Korean clinics. Both are biodegradable polymers used for facial volume enhancement and rejuvenation by stimulating the natural production of collagen. However, despite the highly similar acronyms they differ in when it comes to composition, application, and outcomes.
In this blog, we will analyze these two types of stimulator fillers, their differences, uses ideal candidates, and potential risks.
What are PLLA and PDLLA Fillers?
First thing first, in order to be able to differentiate the two, we have to grasp what exactly are PLLA and PDLLA.
Let’s start with Poly-L-lactic acid (PLLA) Fillers:
It is a biocompatible and biodegradable polymer (FDA-approved) that stimulates collagen production in the skin. It works gradually, promoting the body’s natural collagen synthesis over time. PLLA fillers are often views as both filler and skin booster as they offer increased volume and improved skin texture.
The we have Poly-D-lactic acid (PDLLA) Fillers:
As the name suggests, they are fact a variant of PLLA, therefore is also biocompatible and biodegradable but has a slightly different molecular structure, which creates different properties. PDLLA fillers also stimulate collagen production but with a more immediate volumizing effect.
Key Differences Between PLLA and PDLLA:
Now that we have clear both definitions and origins, it is time to specifically look into the key differences of PLLA and PDLLA collagen stimulators.
For a much easier visualization, we have synthesized them in the table below:
Uses of PLLA and PDLLA Fillers
If you are still reading up to here, you might be wondering now what are Poly-L-lactic acid (PLLA) and poly-D-lactic acid (PDLLA) fillers used for? No worries we have the answer to all of your questions!
Both PLLA and PDLLA fillers are primarily used for facial volume restoration, contouring and body enhancement.
Common applications may include:
Who Should Choose PLLA Treatment vs. PDLLA Treatment?
Since Poly-L-lactic acid (PLLA) and Poly-D-lactic acid (PDLLA) fillers are so similar and yet so different, the doubt of which one to inject for your beauty treatment might naturally pop out easily.
Hence, we have synthesized them in the table below:
Risks and Considerations
While both PLLA and PDLLA fillers are generally safe, there are potential risks and considerations to keep in mind:
Conclusion
Understanding the differences between these collagen-therapy inducing fillers, can be of help for making an informed choice tailored to your needs and aesthetic goals.
Nevertheless, PLLA and PDLLA stimulator fillers are indeed the rightful choice for those looking for long-lasting results that can help to enhance their facial volume and rejuvenate their appearance while maintaining the “natural effect look”.
If you are curious to get to know more, don't forget to check us out on our other platforms!
Official wesbite: https://medifella.com/
Medi-Fella Shop website: https://www.medifellashop.com/
Instagram: https://www.instagram.com/medifella_korea/
Facebook: https://www.facebook.com/medifella
Written by: Romina (Manager of Int'l Sales)
Email: romina@medifella.com
Whatsapp: +82 01066848893