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Rejuran

Polynucleotide salmon DNA skin booster

Quick answer

Rejuran is a skin booster based on polynucleotides (PN) extracted from salmon DNA. It repairs skin, refines pores and improves elasticity; a course of 3-4 sessions spaced 2-4 weeks apart is standard.

Key facts

Key ingredient
Polynucleotide (PN)
Course
3-4 sessions

Variants include Rejuran Healer for the whole face, Rejuran I for the under-eye area and Rejuran HB with added hyaluronic acid.

Frequently asked questions

  • Is it painful and how long is the swelling?

    Small bumps last 4-24 hours and light bruising can persist 2-3 days, so schedule it at least a week before an important event.

  • What is Rejuran?

    Rejuran is a skin booster based on polynucleotides (PN) extracted from salmon DNA. It repairs skin, refines pores and improves elasticity; a course of 3-4 sessions spaced 2-4 weeks apart is standard.

  • Rejuran: what is the key ingredient?

    Key ingredient: Polynucleotide (PN)

  • What about the course of Rejuran?

    Course: 3-4 sessions

Medical cautions

5 points • reviewed 2026-07-12

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  • This article is educational information only — not a diagnosis, prescription, or personal medical advice.
  • Outcomes vary by person, depending on age, underlying conditions, current medication, and the treating doctor's technique.
  • Consult a licensed physician and verify the clinic's licence before deciding on any treatment.
  • Some treatments (certain stem cell therapies in particular) are regulated differently by country — check Thai and Korean rules before travelling.
  • Prices, packages, and service details can change — confirm directly with the provider before paying.

Reviewed and last updated: 2026-07-12

References and sources

4 sources • every claim is traceable

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  1. 1. Korea Ministry of Food and Drug Safety (MFDS)

    https://www.mfds.go.kr/eng/index.do

  2. 2. Korea Ministry of Health and Welfare (MOHW)

    https://www.mohw.go.kr/eng/

  3. 3. PubMed medical research database (NIH)

    https://pubmed.ncbi.nlm.nih.gov/

  4. 4. Medical Korea — official info for international patients (KHIDI)

    https://www.medicalkorea.or.kr/

Browse the full reference library →

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Last updated: 2026-07-12 · This content is for information only and is not medical advice. Consult a qualified doctor before making treatment decisions.

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