Compare · Procedures

PDO Threads vs Sculptra

PDO Threads: Dissolvable stitches placed under the skin to lift it a little and prompt some collagen. The lift is real but small, it lasts months rather than years, and it is not a substitute for a facelift.

Sculptra: An injectable that does not fill a line directly. It prompts the skin to build its own collagen over several months, so the change is slow, broad, and needs a course of sessions.

Reviewed by Dr. Schwarz, Board-Certified Dermatologist
Last updated: 10/22/2026
Editorial illustration for PDO Threads, based on the entry’s treatment or equipment reference.Editorial illustration for Sculptra, based on the entry’s treatment or equipment reference.
Choose ifKey differencesWhat is it?What it treatsTreatment areasSkin tonesHow it worksBefore your treatmentDay of treatmentAfter your treatmentRisksCostQuestionsRelated

Choose PDO Threads if…

Choose for a small, temporary lift of mild sagging without surgery — not a substitute for a facelift.

  • Early, mild sagging
  • You want a small lift without surgery
  • You're fine with results lasting months

Choose Sculptra if…

Choose for gradual, natural-looking volume over the whole face that lasts years — not for quick or precise filling.

  • Broad volume loss, not one line
  • You're happy to wait months
  • You can do 2–3 sessions
Fine together

Can you have both?

Threads lift and Sculptra rebuilds volume over months. They are sometimes combined, usually in separate sessions.

Key differences

● PDO Threads
● Sculptra
DowntimeNone → 2+ weeks
3–7 days
3–7 days
PainMinimal → Needs anesthesia or sedation
Moderate
Mild
Results showImmediately → 3+ months
Immediately
1–3 months
How long it lastsWeeks → Years or permanent
6–12 months
Years or permanent
Visits neededOne → Every few months
Yearly top-ups
A short series (2–3)
Cost per visit$ → $$$$$
$$$$
$$$
ReversibleYes, can be undone → No, permanent
Partly
No, fades slowly

What is it?

PDO Threads

Sculptra

What is it?

They are dissolvable threads.

Polydioxanone threads are placed beneath the skin.

They give temporary support.

They provide mechanical lift and a tissue response.

They are not a facelift.

Results are not equivalent to surgery.

Evidence is limited.

Infection risk and prior procedures should be discussed.

It is a collagen stimulator.

Sculptra is injectable poly-L-lactic acid.

Results are gradual.

It produces a slow tissue response rather than instant volume.

It cannot be dissolved.

Unlike hyaluronic acid fillers, it is not easily reversed.

Delayed nodules can occur.

Anatomy and previous fillers should be discussed.

What it treats

Evidence level
PDO Threads
Sculptra
Strong evidenceMost established uses
—
Volume Loss on light skin.

Volume Loss

Gradual, long-lasting fullness.

Moderate evidenceSome supportive research
—
Sagging Skin on light skin.

Sagging Skin

Improves firmness.

Limited evidenceEarly or small studies
Sagging Skin on light skin.

Sagging Skin

Mild, temporary lift.

Rolling Scars.

Rolling Scars

May lift soft scars.

Little evidence
A relaxed forehead with pronounced deep horizontal furrows.

Deep Wrinkles

Little change on deep folds.

A relaxed forehead with faint shallow horizontal fine lines.

Wrinkles and Fine Lines

Fine lines respond better to other treatments.

Not effective
Volume Loss on light skin.

Volume Loss

Doesn't add volume.

Thin Lips on light skin.

Thin Lips

Not used in the lips.

Treatment areas

Treatment areas

Selected areas of the face; placement follows the assessed lifting plan.

Facial volume loss; the highlighted cheeks show the general treatment area.

Skin tones

Skin tone
● PDO Threads
● Sculptra
Lighter skin
Low risk
Bruising and dimpling settle.
Low risk
Bruising fades in a week.
Medium skin
Low risk
Not a pigment-based treatment.
Low risk
Not a pigment-based treatment.
Deeper skin
Low risk
Bruising may leave brief dark marks.
Low risk
Bruising may leave brief dark marks.

How it works

PDO Threads

Sculptra

How it works
PDO Threads mechanism diagram. Threads are placed beneath skin: A clinician selects the thread type and tissue plane. Support depends on the thread: Barbed threads can provide a mechanical lifting effect. Tissue responds as threads resorb: Effects are temporary and vary with anatomy and technique.
Sculptra mechanism diagram. PLLA particles are placed: A clinician injects a prepared suspension into selected tissue. A local tissue response develops: The particles stimulate processes involved in collagen formation. Support changes gradually: Collagen buildup can improve selected volume loss and wrinkles.
Diagram explanation

Threads are placed beneath skin: A clinician selects the thread type and tissue plane. Support depends on the thread: Barbed threads can provide a mechanical lifting effect. Tissue responds as threads resorb: Effects are temporary and vary with anatomy and technique.

Schematic illustration. Technique and response vary. This explains a mechanism and does not specify treatment settings.

PLLA particles are placed: A clinician injects a prepared suspension into selected tissue. A local tissue response develops: The particles stimulate processes involved in collagen formation. Support changes gradually: Collagen buildup can improve selected volume loss and wrinkles.

Schematic illustration. Technique and response vary. This explains a mechanism and does not specify treatment settings.

Before your treatment

PDO Threads
Sculptra
2–4 weeks before

2 weeks before: Events: Do not book this within two weeks of an event.

Before you book: Dental work and flares: Get dental work done first, since wide mouth opening is discouraged for a few weeks.

Before you book: Timing: Not within two weeks of an event.

2 weeks either side: Dental work and shots: Many providers ask for two weeks either side of dental work or a vaccination — both can stir up a delayed reaction around injected material.

The week before

A few days before: Blood thinners and alcohol: Ask the prescribing doctor before pausing a blood thinner.

A few days before: Bruising and alcohol: Fish oil, vitamin E and ibuprofen make bruising more likely and are usually stopped a few days ahead, if your doctor agrees.

Day of treatment

PDO Threads
Sculptra
Before you arrive

Photos: Have photos taken sitting upright, in the light you will be reviewed in.

Clean skin: No makeup.

Arrival & prep

You are assessed and marked sitting upright, because the face falls differently lying down.

Your face is assessed sitting up, photographed and marked.

Treatment

Small entry points are made near the hairline or temple.

A needle or cannula carries each thread along a planned path, the thread is anchored, and tension is adjusted while both sides are checked. A face takes 30 to 60 minutes. You feel pressure, tugging and an odd crunching rather than sharp pain. Soreness starts once the anesthetic wears off.

Injected through a needle or a blunt cannula in fanned passes across the area, not single deposits, and massaged firmly as they go to spread it evenly.

A face takes 20 to 40 minutes. You feel stinging and pressure with the odd sharper moment; numbing cream handles it.

Before you leave

Swollen and tight, with small marks at the entry points.

Swollen, sometimes noticeably, with small red marks at the entry points and possible bruising.

After your treatment

PDO Threads
Sculptra
First 24 hours

Days 1 to 7: Chewing, yawning and wide smiling are uncomfortable, and bruising at entry points is common.

Days 1 to 3: Bruises at needle sites, tenderness, and swelling that still makes your face look fuller than it will be.

Days 2–7
Not specified

Days 3 to 14: The fluid drains and your face looks as it did before.

Weeks 2–4

Weeks 1 to 2: Small dimples and irregular lines along the threads usually smooth out.

Weeks 2 to 6: The over-lifted look relaxes into the actual result.

Weeks 3 to 6: Nothing visible while collagen is laid down.

Time to results

Immediately

2–3 months, building

How long results last

6–12 months

2 years or more

Risks

Risks
  • Dimpling or puckering after two weeks
  • A thread you can see or feel
  • Uneven sides
  • Pain when you open your mouth
  • Redness, warmth, pus or fever
  • Numbness or a weak facial movement
  • Hair loss at a temple entry point
  • Small lumps you can feel
  • A new lump months later
  • Spreading redness or tenderness
  • Visible unevenness
  • Prolonged swelling

Cost

Per session

In the US a full-face thread lift commonly runs about $1,500 to $4,500, and more in some cities.

In the US a vial usually runs about $800 to $1,200, and a face session commonly uses one or two vials.

Insurance

Insurance does not cover it.

Insurance does not cover cosmetic use.

Questions

PDO Threads

Sculptra

Individual Questions
How much lift do threads actually give?

A few millimeters, and less once swelling settles. Enough to soften an early jowl or lift a brow slightly in the right face. Not enough to change the outline of a face — anyone promising that is describing surgery.

How long do PDO threads last?

The material dissolves in about four to six months. The visible effect usually lasts around six to twelve months, then fades gradually. Some firming from the collagen along the tracks remains after the lift has gone.

Is a thread lift the same as a facelift?

No, and that comparison is the main reason people are unhappy afterward. A facelift moves the deeper layer of the face and removes skin, under surgery, and lasts years. Threads gather skin along a stitch for months.

Does it hurt?

Under local anesthetic it feels more strange than painful — pressure and tugging. The days afterward are sore, especially chewing or yawning, and that usually settles within one to two weeks.

What if I get a dimple, or a thread shows?

Both are recognized and both are fixable, but they need the provider who placed them. Dimples in the first two weeks usually settle on their own. A thread poking through, or a dimple still there at two weeks, should be reported rather than waited out.

Are threads worth the money?

It depends what you are comparing them with. For mild early sagging, in someone who cannot or will not have surgery and understands it lasts under a year, they can be. For heavy jowls or a loose neck they are not, and the same money spent on volume or put toward surgery usually gives a result people are happier with.

When will I actually see something?

Not for weeks. The fullness on the day is water and it is gone within about two weeks. Real change starts around six to twelve weeks and is judged three to six months after the last session. Take a photo before you start.

Is Sculptra a filler?

Not in the usual sense. A filler is the volume itself and works the day it is injected. Sculptra sets off a repair response and largely disappears, and the volume you end up with is collagen your own skin made.

Can it be dissolved if I do not like it?

No. Hyaluronidase only dissolves hyaluronic acid fillers. For an uneven result the options are waiting, massage, and sometimes steroid injections or minor surgery for a lump. That is the main reason to be selective about who injects it.

What are the lumps people talk about?

Small collections of collagen around the product, usually where it was placed too shallow or spread unevenly. They can appear months later. Many settle on their own; others are treated in the clinic. Even placement and massage are how the risk is lowered.

How many vials will I need?

It depends how much support has been lost, not on age. A face session commonly uses one or two vials, over two to four sessions. A provider who quotes a number before looking at your face is guessing.

What happens when it wears off?

It fades gradually over one to two years and your face returns to the path it was already on. No collapse, no rebound, and no evidence you end up worse than if you had not had it.

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