Poly-L-Lactic Acid (PLLA) Collagen Butt Lift Injection

Dr. Jonathan Lee performing Sculptra butt lift in Singapore to stimulate collagen, enhance buttock volume, firmness, and contour

Achieve a naturally sculpted and lifted buttock profile with collagen-stimulating butt lift injections.

Using poly-L-lactic acid (PLLA), an injectable collagen biostimulator widely used in aesthetic medicine, this treatment works gradually to strengthen the underlying support of the buttocks, helping to improve firmness and contour without surgery, implants, or fat transfer.

Backed by extensive clinical research, poly-L-lactic acid (PLLA) is known to stimulate the body’s own collagen production, supporting structural integrity, enhancing tissue quality, and restoring subtle volume over time.

This non-surgical butt lifting approach is suitable for addressing mild sagging, early volume loss, or flattening of the buttocks, while promoting a more refined silhouette with natural movement and feel.

Who Can Benefit from PLLA Butt Lifts?

Poly-L-lactic acid (PLLA) butt lift injections are designed for patients seeking gradual, structural improvement of the buttocks, rather than dramatic enlargement. This non-surgical butt lifting approach works best for individuals with specific buttock concerns related to aging, anatomy, and contour imbalance:

Image showing mild buttock sagging and how Sculptra butt lift injections improve firmness and lift by strengthening tissue structure

Mild to Moderate Buttock Sagging

Patients experiencing early buttock sagging often notice a softer, lower-set appearance caused by collagen depletion and reduced tissue support. PLLA butt lift injections help reinforce the connective tissue framework, improving firmness and lift gradually.

This approach supports a more elevated buttock contour without surgical excision, implants, or abrupt changes in shape.

Image showing flattened buttocks due to volume loss and how Sculptra butt lift can help with gradual buttock restoration through collagen stimulation

Buttock Volume Loss or Flattening

Flattening of the buttocks can occur due to aging, weight changes, or naturally low collagen density.

Rather than adding artificial bulk from butt fillers, PLLA collagen stimulation rebuilds internal support, allowing the buttocks to regain projection and contour over time. The result is a fuller-looking shape that remains proportionate to the body’s natural anatomy.

Image showing a flattened or less rounded buttock and how Sculptra butt lift can enhance shape as a non-surgical alternative

Seeking a Fuller Buttock Appearance

Patients seeking buttock enhancements but prefer to avoid surgical procedures (e.g. implants or fat transfer) may consider PLLA butt lift injections as a non-surgical alternative that improves shape and firmness through collagen regeneration rather than invasive artificial replacement. This makes it suitable for patients prioritising lower procedural risk and minimal recovery time.

Image showing buttock skin laxity and reduced firmness, and how Sculptra butt lift can restore skin structure and firmness

Skin Laxity or Reduced Buttock Firmness

Loss of firmness in the buttocks is often linked to reduced collagen density within the skin and connective tissue.

PLLA butt lift injections stimulate collagen production to improve tissue resilience and support. Over time, this leads to a firmer, more toned appearance without the need for tightening surgery or multiple energy-based skin treatments.

How PLLA Works in Butt Lifting

Poly-L-lactic acid (PLLA) is a clinically-studied collagen biostimulator widely used in facial rejuvenation to encourage your body’s own collagen production, restoring volume and improving firmness over time. The same biological principle is applied in non-surgical buttock enhancement, but on a structural level.

Illustration showing how Sculptra butt lifts help stimulate collagen production

1. Injection & Collagen Activation

When poly-L-lactic acid (PLLA) is injected into the buttocks, it is strategically placed within deeper tissue layers to support non-surgical butt lifting. Unlike traditional butt fillers that add instant volume, PLLA injections are designed to initiate a biological collagen-building response, working with your body to improve structure and firmness from within.

Illustration showing how Sculptra microparticles form a collagen scaffold within buttock tissue

2. Collagen FIBROBLAST Stimulation

Once injected, PLLA microparticles act as a temporary biostimulatory scaffold within the buttocks, signalling fibroblasts (the cells responsible for collagen production) to generate new collagen. This controlled biostimulatory process strengthens connective tissue rather than adding artificial bulk.

Illustration showing progressive collagen regneration and improved buttock firmness after Sculptra butt lift

3. VISIBLE LIFTING RESULTS

Over the weeks that follow, the newly formed collagen gradually replaces the PLLA scaffold. This progressive collagen remodelling improves buttock firmness, projection, and contour, resulting in a lifted appearance that develops naturally and integrates seamlessly with the body’s anatomy.

The regenerative butt lift mechanism of poly-L-lactic acid (PLLA) delivers:

  • Progressive, controlled enhancements rather than abrupt volume changes

  • Natural movement and feel of the buttocks without stiffness, heaviness, or an artificial “overfilled” appearance

  • Results that respect your natural anatomy, preserving proportion, balance, and a natural silhouette from all angles

Poly-L-Lactic Acid (PLLA) Butt Lift with Dr. Jonathan Lee

Every poly-L-lactic acid (PLLA) butt lift procedure at our clinic begins with a doctor-led consultation. Dr. Jonathan Lee, with over 25 years of clinical experience, leads our practice with a dedicated focus on regenerative aesthetics, including non-surgical facial and body augmentation.

As one of the early adopters of poly-L-lactic acid (PLLA) treatments in Singapore, Dr. Lee was drawn to PLLA for its unique ability to work with the skin’s natural collagen production to restore structure, firmness, and contour gradually.

He is also a national mentor and trainer for injectable poly-L-lactic acid (PLLA), and brings this expertise to every butt lift treatment.

True to his philosophy of “less is more,” Dr. Lee focuses on subtle, natural-looking enhancement that respects your body’s anatomy and proportion.

During your butt lift consultation, Dr. Lee uses the Galderma Gluteal Assessment Scale, which objectively measures volume, projection, contour, and tissue firmness.

This structured approach allows your treatment to be precisely customised for your individual concerns, whether that is mild sagging, flattening, asymmetry, or reduced firmness. Because PLLA works by stimulating your body’s own collagen production, Dr. Lee will also explain the expected timeline of gradual improvement, number of sessions recommended, and how results integrate naturally with your body.

A consultation with Dr. Jonathan Lee is not just about suitability — it is the first step toward a sculpted, firm, and proportionate buttock contour.

Book A Consultation

Frequently Asked Questions

  • Poly-L-lactic acid (PLLA) works by stimulating your own collagen, so results look and feel like your natural tissue. Unlike traditional fillers or implants, there is no artificial stiffness or excessive bulk, and enhancements respect your body’s proportions and movement.

    This makes PLLA butt lift ideal for patients who prioritise subtle, progressive, and natural-looking improvements.

  • Results typically develop gradually over several weeks to months, as collagen forms and integrates into the tissue. Clinical studies and experience show that effects can last up to two years, depending on individual factors such as metabolism, lifestyle, and the number of sessions completed.

    Because poly-L-lactic acid (PLLA) works by stimulating your body’s own collagen, results are progressive, natural, and long-lasting, rather than abrupt or temporary.

  • Poly-L-lactic acid (PLLA) collagen butt lift injections are a minimally invasive, non-surgical procedure, so downtime is generally very minimal. Most patients can resume normal daily activities immediately after treatment.

    Common temporary effects may include:

    • Mild swelling or redness at injection sites

    • Minor bruising or tenderness

    • Slight firmness in treated areas

    These effects typically resolve within a few days. Because PLLA works gradually by stimulating your body’s own collagen, there is no need for prolonged recovery, restricted movement, or compression garments.

  • Yes. The active ingredient in Sculptra® butt lift injections is poly-L-lactic acid (PLLA), a biodegradable, biocompatible polymer that has been used safely in medical and aesthetic applications for decades.

    PLLA does not act like a traditional filler that simply adds volume under the skin. Instead, it works by stimulating your body’s own collagen production, gradually restoring structure, firmness, and contour over time.

    Because PLLA is gradually absorbed and replaced by your natural collagen, it supports progressive, controlled enhancements.

  • Most patients require 2 to 3 treatment sessions spaced about 4–6 weeks apart to achieve their desired lift, contour, and firmness.

    The number of sessions depends on factors such as:

    • Degree of volume loss or sagging

    • Skin laxity and tissue quality

    • Desired enhancement level

    During your consultation, our doctors will recommend a personalised treatment plan tailored to your anatomy and goals.