Gangnam
Dr. Yoongon Ryu
Aesthetic Medicine Specialist
Flagship clinic · KOL for leading lifting & regenerative devices
Restylane is a hyaluronic acid filler with a well-documented safety profile; most reported reactions are mild and self-limiting, resolving within 1 to 2 weeks, and the gel can be dissolved with hyaluronidase.
Restylane is generally safe in Korea when injected by a qualified doctor: it is a well-studied hyaluronic acid gel, and most side effects are mild and short-lived, such as swelling or bruising for 3 to 7 days. It is reversible with hyaluronidase, but vascular events are a rare serious risk, so injector skill matters most.
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Restylane is a family of cross-linked hyaluronic acid (HA) dermal fillers used to restore volume, soften folds, and refine contours. Because HA is a sugar molecule naturally found in skin, the body recognises and gradually metabolises it, which is one reason HA fillers carry a favorable safety record when placed correctly. Restylane products are biphasic gels, meaning particles are suspended in a solution, and they have been studied in randomised trials including Korean and other Asian populations.
Safety is best understood in two tiers. Common effects are mild, temporary, and expected: injection-site swelling, redness, tenderness, and bruising that typically settle within 3 to 7 days. Serious complications, such as vascular occlusion where filler enters or compresses a blood vessel, are rare but require immediate management; this is why injector anatomy knowledge is central to safety rather than the product alone.
At Reberry Clinic, injectable filler treatment is consultation-led: the clinic’s doctors review your history, map facial anatomy, and place filler in appropriate planes to lower risk. Because HA fillers are reversible, an enzyme called hyaluronidase can dissolve the gel if correction is needed. International patients are supported in English across our Seoul locations, so aftercare and any follow-up can be planned around your travel.
Restylane is made of stabilised hyaluronic acid, the same class of molecule that hydrates and cushions skin, which gives it two safety-relevant traits. First, HA is biocompatible and biodegradable, so it is broken down over roughly 6 to 18 months depending on the product and area, rather than remaining permanently. Second, and importantly, HA fillers are the only major filler category that can be actively dissolved: an injected enzyme, hyaluronidase, breaks the HA chains within hours, allowing a doctor to correct over-filling, lumps, or, critically, to treat a vascular blockage. Biphasic gels such as the Restylane family typically require fewer units of hyaluronidase to dissolve than some other gels. This reversibility does not remove all risk, and it does not replace careful technique, but it does give clinicians a meaningful safety tool that non-HA and permanent fillers lack. Correct plane, slow injection, aspiration or cannula technique where appropriate, and knowledge of high-risk zones such as the nose, glabella, and nasolabial fold remain the primary defenses against serious events.
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The clinic’s doctors review allergies, medications, and history in 1 consultation, flagging blood thinners or prior filler that affect risk.
High-risk zones such as the nose, glabella, and nasolabial fold are identified before any injection, since over 80% of severe events involve vessel-dense areas.
Filler is placed slowly in the correct plane using a needle or blunt cannula, with low pressure to reduce the chance of intravascular entry.
The skin is checked for blanching or unusual pain within the first minutes, the 2 earliest warning signs of a vascular problem.
Hyaluronidase is kept on hand so any blockage or unwanted result can be dissolved, ideally within 4 to 6 hours for the best outcome.
See representative outcomes from Reberry Clinic. Results build gradually and vary by individual; your plan is assessed at consultation.
The clinic’s doctors review your medical history, medications, and goals in English, then explain risks, reversibility, and whether Restylane suits your anatomy.
After cleansing and optional numbing cream, injection typically takes 15 to 30 minutes depending on the number of areas treated.
The visit is short, and most patients leave with only mild swelling or small bruises that settle over several days.
Volume is visible immediately, while swelling resolves over 3 to 7 days so the final, settled result becomes clear within about 2 weeks.
Results are gradually metabolised over 6 to 18 months; avoiding heat, alcohol, and vigorous exercise for 24 to 48 hours helps reduce bruising and swelling.
Restylane is generally considered safe in Korea when injected by a qualified doctor, with most reactions being mild swelling or bruising that fades in 3 to 7 days. It is a well-studied hyaluronic acid filler and is reversible with hyaluronidase. Serious events are rare, so choosing a skilled injector matters most. Learn more on our injectable fillers page.
The most common effects are temporary injection-site reactions: swelling, redness, tenderness, and bruising, usually resolving within 3 to 7 days. Small lumps that soften over 1 to 2 weeks can occur. These are expected and mild rather than dangerous, and cooling plus gentle aftercare helps them settle faster and more evenly.
Yes, Restylane can be dissolved because it is a hyaluronic acid gel. An injected enzyme called hyaluronidase breaks down the HA within hours, letting a doctor correct over-filling, lumps, or a rare vascular blockage. This reversibility is a key safety advantage of HA fillers over permanent options, and it is one reason many patients choose HA gels.
The most serious, though rare, risk is vascular occlusion, where filler blocks or compresses a blood vessel and can affect skin or, very rarely, vision. Skilled injection in the correct plane and immediate hyaluronidase greatly reduce harm. This is why anatomy knowledge and having reversal enzyme on hand are central to safe treatment.
Most patients feel a brief sting or pressure rather than sharp pain, often around 2 to 4 out of 10. Numbing cream is usually applied first, and many Restylane products contain lidocaine to ease discomfort during injection. Sensitive areas like the lips can feel slightly more tender, so tell your doctor beforehand.
Restylane typically lasts about 6 to 18 months depending on the specific product, the area treated, and your metabolism. Areas with more movement, such as the lips, tend to break down HA faster than static regions. Results are gradually and naturally metabolised, so periodic top-ups maintain the effect over time rather than a single fix.
Downtime is minimal for most people, with any swelling or small bruises settling within a few days to about a week. Many patients return to daily activities the same day, though strenuous exercise, heat, and alcohol are best avoided for 24 to 48 hours. See related options on our injection treatment page.
Healthy adults seeking reversible volume, contour, or fold correction are often good candidates, provided they have no active infection or relevant allergy. Pregnancy, certain bleeding disorders, and recent illness may defer treatment. A consultation confirms your suitability by reviewing medical history, medications, and the anatomy of the areas you want treated.
Both are hyaluronic acid fillers that are reversible with hyaluronidase, but Restylane is biphasic and tends to give more structured lift, while Juvederm is monophasic and blends smoothly for soft volume. Your doctor chooses based on the area and desired firmness. Compare more options on our injectable fillers page.
To reduce bruising, many doctors advise avoiding alcohol, aspirin, fish oil, and certain anti-inflammatory medicines for a few days before treatment, only with medical guidance. Arriving well-hydrated and rested also helps. Never stop prescribed blood thinners without your physician’s approval, and always disclose all medications during your consultation.
For 24 to 48 hours, avoid intense exercise, saunas, sun beds, and pressing the treated area, and apply gentle cooling for swelling. Sleep slightly elevated the first night to limit puffiness. A calming skin care routine supports healing, and report unusual pain, blanching, or dusky skin to your clinic immediately.
True allergy to hyaluronic acid is very rare because HA is naturally present in the body, though sensitivity to lidocaine or trace proteins is possible. Delayed nodules or immune-type reactions occur infrequently and are usually manageable. Your consultation screens for allergy history so the safest product and technique can be selected for you.
Yes, filler is often combined with skin-quality or lifting procedures for a balanced result, though not always in the same session to avoid over-stressing tissue. Some patients pair it with a hydrating facial on a separate day. Your doctor sequences treatments so recovery stays comfortable and predictable.
Reputable Korean clinics use fillers approved by the Korean Ministry of Food and Drug Safety, and international brands like Restylane are widely used. Product authenticity and proper storage matter for safety, which is why treatment should be done at a licensed medical clinic rather than an informal setting. Always confirm you are receiving a genuine, approved product.
For a single filler session, 2 to 3 days in Seoul is comfortable, allowing a consultation, the treatment, and a short review as any swelling begins to settle. If you want combined treatments, a longer stay or split trips can be arranged. Our English-speaking team helps coordinate timing around your travel plans.
Yes, flying within a day or two is generally fine because filler involves minimal downtime, though mild swelling may still be present. Cabin air is drying, so moisturise gently and avoid alcohol on the flight to limit puffiness. If you have concerns before travel, your doctor can review your results before you leave.
International patients can complete treatment in one visit, and the clinic offers English remote check-ins to review healing and answer questions between trips. If a top-up or adjustment is wanted later, it can be scheduled on a return visit. You can also plan related skin care when you come back.
| Restylane | Juvederm | Radiesse | |
|---|---|---|---|
| Material | Biphasic hyaluronic acid | Monophasic hyaluronic acid | Calcium hydroxylapatite in gel carrier |
| Reversible | Yes, dissolved with hyaluronidase | Yes, dissolved with hyaluronidase | No enzyme reversal; managed differently |
| Best for | Contour, folds, structured lift | Smooth volume, lips, soft areas | Deeper structural support, collagen stimulation |
| Common side effects | Swelling, bruising for 3 to 7 days | Swelling, bruising for 5 to 7 days | Swelling, bruising, occasional firmness |
| Downtime | Minimal, mostly bruising-related | Minimal, mostly bruising-related | Minimal to short depending on area |
| Longevity | Roughly 6 to 18 months by product | Roughly 6 to 18 months by product | Roughly 12 to 18 months |
| Cost factors | Depends on product and volume used | Depends on product and volume used | Depends on volume and dilution |
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