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Thread Lift Risks in Korea: PDO and PLLA Complications

실리프팅 합병증sil ripeuting hapbyeongjeung · "thread lift complications"

Complication rates for PDO and PLLA thread lifts at Korean clinics, warning signs to watch for, and the difference between expected swelling and genuine complications.

Written by BPSK Editorial, Medical Writer Published 2026-07-31 · Updated 2026-07-31
Quick answer

Thread lift complications are predominantly minor — bruising, swelling, and asymmetry in the first few weeks affect 20–40% of patients. Thread extrusion (visible thread through skin) occurs in under 2% of cases. Infection requiring antibiotic treatment occurs in under 1%. Serious complications are rare because thread lift uses local anaesthesia only. Results last 12–18 months and any dissatisfaction must be weighed against natural thread absorption.

Fact-checked against primary sourcesKSPRS · KHIDI · peer-reviewed literature — 1 sources · how we verifyLast verified
2026-07-31

Thread Lift Complication Spectrum

실리프팅 합병증 (sil ripeuting hapbyeongjeung — thread lift complications) are predominantly minor and self-resolving. Because the procedure uses local anaesthesia only, systemic complications are essentially absent. The risk profile is concentrated in tissue-level outcomes: how the skin responds to the barbed thread as it absorbs.

Thread lift complication spectrum — Korean clinics (PDO and PLLA). Severity scale: 1 = minor/self-resolving, 5 = life-threatening.
ComplicationEstimated LikelihoodSeverity (1–5)Reversible?Action Required
Bruising and swelling (normal)30–50%1Yes — resolves in 1–2 weeksCold compress; no action required
Dimpling / puckering at insertion sites20–40%1Yes — usually resolves in 2–4 weeksMassage per clinic protocol; reassess at 4 weeks
Asymmetric lift15–25%1–2Partial — may improve as swelling resolvesReassess at 6 weeks; may require additional thread or removal
Palpable thread cords under skin10–20%1Yes — resolves as threads absorbMonitor; resolves without intervention
Inadequate lift (under-correction)10–20%1–2No — repeat procedure only optionAdditional thread insertion if anatomy allows
Thread extrusion (thread breaches skin)<2%3Yes — via removalPrompt physician removal to prevent infection
Infection at insertion site<1%2–3Yes — with antibioticsContact clinic immediately; oral antibiotics
Granuloma formation<1%2Partial — corticosteroid injectionDermatology referral; injection treatment
Facial nerve paresis (temporary)<1%2Yes — resolves in 4–6 weeks typicallyMonitor; contact clinic if worsening
Visible thread show (thin skin)<1%2–3Partial — improves as thread dissolvesAwait dissolution; discuss patient selection for future procedures

Warning Signs After Thread Lift

Most post-procedure discomfort is expected for 1–2 weeks. These warning signs are different:

Contact your clinic the same day:

  • Redness, warmth, and tenderness at insertion sites that worsens after day 5 (suggests infection)
  • Visible thread tip emerging through intact skin (extrusion — requires prompt removal)
  • Fever above 38°C
  • One side of the face feeling significantly weaker or drooping (facial nerve paresis)

Reassess at 4–6 weeks if:

  • Visible asymmetry persists beyond 6 weeks without improving
  • Hard cord-like palpable threads remain at 8 weeks (earlier than expected for thread type)
  • Dimpling or surface irregularity persists beyond 4 weeks

What does thread lift dimpling look like and is it permanent?

Dimpling appears as small depressions or puckering along the thread insertion path, typically visible immediately post-procedure when the barbs are gathering tissue. In most cases, dimpling smooths out within 1–3 weeks as swelling resolves and the tissue redistributes around the thread. Persistent dimpling beyond 4 weeks suggests the barb grip is too aggressive in that location and may require massage or, rarely, local release. True permanent dimpling from thread lift is uncommon.

Can thread lift cause facial nerve damage?

Facial nerve branches run in predictable anatomical paths that experienced practitioners avoid. Transient paresis (temporary weakness) affecting a small area of the face occurs in under 1% of thread lift procedures and typically resolves within 4–6 weeks as the mechanical pressure from insertion resolves. Permanent facial nerve injury from thread lift is extremely rare. The risk is higher when threads are inserted too deeply or in areas with non-standard anatomy — this is why physician-performed procedures carry lower risk than therapist-performed ones.

What happens if I don't like my thread lift result?

If the result is asymmetric or unsatisfactory but no complication is present, the most practical option is waiting — threads absorb and most dissatisfaction with over-lifting or asymmetric pull resolves as the tissue settles over 4–6 weeks. If threads are visible or palpable as hard cords under the skin, this typically also resolves with thread absorption. For thread extrusion (thread breaching skin surface), prompt removal is necessary to prevent infection. Surgical removal of PDO threads before absorption is possible but technically demanding.

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Sources

  1. Korean Society of Plastic and Reconstructive Surgeons — Board Certification Registry · S2
Education, not medical advice Fact-checked per our Editorial Standards · corrections policy applies · always confirm specifics with a board-certified surgeon Last verified
2026-07-31