A PDO thread lift is a minimally invasive aesthetic procedure that uses fine absorbable sutures, made from polydioxanone (PDO), inserted beneath the skin to produce a temporary lifting or contouring effect while also stimulating the body's own collagen production. The technique is often considered by patients seeking a less invasive alternative to surgical facelifting, with the understanding that the effect is generally more subtle and shorter-lived than surgery.
What Is Polydioxanone and Why Is It Used?
Polydioxanone is a biodegradable synthetic polymer that has long been used in absorbable surgical sutures across many specialties because of its predictable breakdown timeline and biocompatibility. In thread lifting, PDO is manufactured into very fine filaments, sometimes smooth and sometimes barbed or cogged, and inserted through a needle or cannula under the skin. Because the material is absorbable, it is gradually broken down and cleared by the body over a period of months, distinguishing it from older non-absorbable thread techniques used historically.
How Does a PDO Thread Procedure Work?
The treating clinician first maps the areas to be treated and marks entry points, commonly around the jawline, cheeks, brow, or neck. After cleansing the skin and administering local anesthetic, threads are inserted through a fine needle or cannula along a planned path just beneath the skin surface. Barbed threads are designed to catch subdermal tissue and provide a mechanical lifting tension, while smooth threads are generally used more for stimulating tissue response than for structural lift. A session commonly takes thirty to sixty minutes depending on the number of threads and areas treated.
What Happens to the Threads Over Time?
PDO threads are absorbed by the body through hydrolysis over approximately four to eight months, though timelines vary by thread thickness and individual metabolism. As the material breaks down, it is thought to stimulate a localized inflammatory response that encourages fibroblast activity and new collagen formation around the thread path. This means the procedure has two distinct components: an immediate mechanical lifting effect from the thread's physical placement, and a slower-developing collagen-related skin quality effect that may continue even after the thread itself has fully absorbed.
What Are Common Sensations and Recovery Expectations?
Mild swelling, bruising, and a pulling or tightness sensation in the treated area are commonly reported in the days following a PDO thread procedure. Some patients notice visible or palpable puckering of the skin immediately after treatment, which typically settles within one to two weeks as tissue adjusts. Strenuous facial movement, dental work, and vigorous exercise are often advised against for a short period after treatment to reduce the risk of thread displacement. Any signs of infection, such as increasing redness, warmth, or discharge, should prompt contact with the treating provider.
How Does a Thread Lift Compare to Dermal Fillers?
Thread lifts and dermal fillers address different concerns and are sometimes used together as part of a broader treatment plan rather than as substitutes for one another. Fillers, including hyaluronic acid-based products such as INVAMED's VitaFLEX Hyaluronic Acid Intradermal (https://invamed.com/product/vitaflex-hyaluronic-acid-intradermal), are generally used to restore volume or soften specific lines and folds. Threads, by contrast, are aimed more at repositioning or lifting lax tissue and encouraging a longer-term collagen response. The choice between these approaches, or combining them, depends on individual facial anatomy and aesthetic goals as assessed by a qualified provider.
Who Might Be a Suitable Candidate?
PDO thread lifting is generally considered for patients with mild-to-moderate skin laxity who are not yet seeking, or are not candidates for, surgical facelifting. It is not intended to address significant skin excess or deep structural sagging, which typically require surgical evaluation. A qualified physician assesses skin quality, degree of laxity, and overall health before recommending thread placement, and results vary between individuals.
Can PDO threads be removed if a patient is unhappy with the result?
Because the threads are placed just beneath the skin and are quite fine, removal is more complex than insertion and is not always straightforward. Patients considering the procedure should discuss expectations, potential outcomes, and management of an unsatisfactory result with their provider before treatment.
Device availability and regulatory status vary by country. Please contact INVAMED or your authorized local distributor for current regulatory information applicable to your region.