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Rejuran Healer is one of the most recognised skin boosters in Korea. Developed by the Korean company PharmaResearch, it is based on polynucleotides (PN) derived from salmon DNA and is used to improve overall skin quality rather than to add volume. Many patients in Seoul have it as part of a regular skin maintenance routine, and it has gained a strong international following.
This article explains what Rejuran Healer is, the benefits it may offer, how results typically develop and what treatment and recovery involve.
What is Rejuran Healer?
Rejuran Healer is an injectable containing polynucleotides, which are chains of DNA fragments purified from salmon. When injected into the skin, polynucleotides are thought to support the skin's repair processes by providing building blocks for cells and creating an environment that encourages fibroblast activity and tissue regeneration. Laboratory and clinical studies suggest effects on wound healing, hydration and the skin's structural quality, although research is still developing and individual results vary.
PharmaResearch produces several related products, including Rejuran S for scars, Rejuran I for the delicate eye area and newer formulations such as Rejuran HB that include hyaluronic acid and an anaesthetic. Rejuran Healer is the original and most widely used version for the face.
Potential benefits
- Improved skin texture: many patients report smoother, more refined skin after a course of treatments.
- Better elasticity: the skin may feel firmer and bounce back more readily.
- Hydration and glow: skin often looks healthier and more radiant.
- Fine lines: superficial lines may soften gradually.
- Skin barrier support: often chosen for thin, sensitive or reactive skin, and sometimes used to support recovery after lasers.
- Enlarged pores and mild scarring: some improvement may be seen, often in combination with other treatments.
Rejuran Healer does not lift sagging skin or replace lost volume. For these concerns, lifting devices, fillers or collagen stimulators are more appropriate, sometimes combined with Rejuran for skin quality.
How the treatment is performed
After a consultation and cleansing, numbing cream is applied, usually for 30 to 60 minutes. The doctor then injects small amounts of the product just beneath the skin, either by hand with a fine needle in many small injection points or using an injection device. A full-face session often takes 15 to 30 minutes after numbing. Rejuran injections are known for being somewhat uncomfortable, although formulations containing lidocaine and good numbing make them more tolerable for many patients.
Recovery: what to expect
The most visible sign after treatment is a pattern of small raised bumps at each injection point, which usually flatten within a few hours to a day or two. Mild redness, swelling and pinpoint bruises are also common. Most people return to normal activities the next day, though small bruises can occasionally take up to a week to fade.
- Avoid pressing, massaging or rubbing the treated area for the first day.
- Skip makeup for the rest of the day if advised.
- Avoid saunas, alcohol and intense exercise for a day or two.
- Use gentle skincare and daily sunscreen.
How results develop
Some patients notice a slight glow within a week as hydration improves, but the more meaningful changes in texture and elasticity tend to build gradually over several weeks. Rejuran is typically recommended as a course, commonly three to four sessions spaced two to four weeks apart, followed by maintenance sessions every few months. The effect is generally described as healthier, smoother and more resilient skin rather than a dramatic transformation.
Results are cumulative and depend on age, skin condition, lifestyle and sun protection. People who complete a full course often see more noticeable improvement than those who have a single session.
Combining Rejuran with other treatments
In Korean clinics, Rejuran Healer is frequently combined with other procedures. It is commonly paired with laser toning or pigment lasers, with the aim of supporting the skin barrier while pigment is treated. It may also be used after fractional lasers or RF microneedling, where some doctors believe it can help recovery and improve overall skin quality. People seeking more structural change sometimes combine Rejuran with lifting devices such as Ultherapy or Thermage, or with collagen stimulators such as Juvelook.
Combination treatments can be efficient, particularly for visitors with limited time, but they are not always necessary. A good doctor will explain the reason for each component and the order in which they are performed, and will avoid overloading sensitive skin in a single visit. If you are comparing plans, ask what each step is expected to contribute and whether a simpler approach would meet your goals.
Who is a good candidate
Rejuran Healer often suits adults who want better skin quality with limited downtime, including people with dull or tired-looking skin, early signs of ageing, thin or sensitive skin, or those recovering from laser treatments. It is generally avoided in people with fish or salmon allergies, active skin infections in the treatment area, or during pregnancy and breastfeeding. Anyone with autoimmune conditions or bleeding disorders, or taking blood-thinning medication, should discuss this with the doctor first.
Planning Rejuran during a trip to Korea
Because bumps usually settle quickly, Rejuran fits well into a short stay, but it is best not to schedule it on the same day as an important event or photographs. Since a course involves several sessions, short-stay visitors may only complete one or two in Korea. Ask whether the clinic can provide details of the product and dosage for follow-up elsewhere, and confirm that genuine, sealed product is being used.
Conclusion
Rejuran Healer is a polynucleotide skin booster that aims to improve texture, elasticity, hydration and resilience by supporting the skin's own repair processes. Results build gradually over a course of sessions, and recovery is usually limited to temporary bumps and mild redness. For people seeking natural-looking improvements in skin quality, it can be a sensible option after a proper consultation.
This article is for general information only and is not a substitute for a medical consultation. Suitability, results and recovery vary from person to person.
