rejuran-pain-vs-effect-review-guide

Key summary: The intensity of pain you feel with Rejuran is not a value that moves in step with the results. Even when the same amount is injected, the perceived pain varies greatly depending on the anesthesia method, the injection speed, and the practitioner's technique. That is why, when reading reviews, what you really need to check is not "how much it hurt" but how the pain was managed and how the treatment was designed to suit your skin.

During Rejuran consultations, we frequently hear people say, "If anything, make it hurt and pack it in fully." This is because the belief that the more it hurts, the greater the effect is fairly firmly rooted in review culture.

It is an understandable feeling. Since this is a paid treatment, people want to gain the confidence — even if only through sensation — that they "received it properly." From a medical professional's point of view, however, the relationship between pain and effect is not that simply connected.

If the area of concern is not yet clearly defined, it is better to review the choice of treatment together from the start. If you refer to the guide to treatment directions by skin concern for people in their 30s, which organizes concerns by age group, it can help you set a direction before your consultation.

To state the conclusion first, there is no direct proportional relationship between the intensity of pain and the treatment effect.

Rejuran is a treatment in which the ingredient is repeatedly injected at multiple points beneath the skin. A certain amount of aching sensation as the needle is inserted several times is a natural response given the nature of the treatment. The problem lies in reading the magnitude of this sensation directly as the magnitude of the effect.

What actually determines the results of Rejuran is not pain but two things. One is whether the ingredient was injected evenly at the appropriate depth, and the other is whether the flow in which the skin then goes through its regeneration process and produces collagen is well maintained. The mere fact that it hurt moves independently of these two conditions.

So the expectation that "it hurt a lot, so the effect must be great too" can be a poorly grounded judgment.

Even when the same amount of Rejuran is injected, the pain felt differs from person to person and from clinic to clinic. The factors that divide perceived pain roughly break down as follows.

• Anesthesia method: Whether numbing cream was applied sufficiently, and whether sleep anesthesia can be chosen when needed
• Injection speed: Whether it is pushed in hastily, or slowly and gently divided out
• Sensitivity of the area: Whether it is a sensitive area such as around the eyes or mouth, or a relatively less sensitive area
• The practitioner's technique: How consistently the insertion angle and layer are maintained

When injected slowly on top of sufficient anesthesia, the same dose can feel much less painful. In other words, a less painful treatment does not mean less was injected. On the contrary, a treatment with good pain management is often connected to the completeness of the result.

Pain patterns are also sometimes reported differently depending on the type of Rejuran. If your concern about pain management is significant, you may also want to look at the article organizing the effects and pain of Sinnonhyeon Rejuran and the article addressing Rejuran HB pain together.

If any questions come up, you can ask comfortably through getting a consultation by chat now.

Referring to reviews itself is not a bad thing. But where you place your focus changes the quality of the information. From the clinic's perspective, the useful criteria are not the intensity of pain but the following two.

First, pain management. If a review reveals whether numbing cream was applied sufficiently, whether sleep anesthesia can be chosen when needed, and whether sensitive areas were approached in a divided way, its reference value is high.

Second, injection design. Rejuran comes in finely divided types, so the appropriate dose and injection depth change according to skin condition and the area of concern. Rather than the figure "I received such-and-such cc," a review that contains the description "they looked at my skin texture, elasticity, and area of concern and designed it this way" is far more worth referring to.

The points to check when you feel Rejuran has no effect, which examines the causes of cases where the effect felt less than expected, also helps you read reviews in a balanced way.

The impression gained from reviews is only a starting point; the final judgment is completed in a consultation with a medical professional who has directly seen your skin. We recommend following the order below before and after your consultation.

1. First organize whether your main concern is skin texture, elasticity, or wrinkles in a specific area.
2. Check the pain management method (numbing cream / whether sleep anesthesia is available) specifically during the consultation.
3. Rather than requesting the exact dose and method you saw on the internet, request a design tailored to your skin condition.
4. Check in advance for responses such as swelling, redness, bruising, and temporary pain after the treatment, along with how to deal with them.

The effects and reactions of Rejuran may differ depending on an individual's skin condition. After the treatment, swelling, redness, bruising, and temporary pain may appear at the injection site; these are mostly temporary, but if symptoms persist or worsen, it is necessary to consult a medical professional. Please remember that the dose and injection method are matters that should be decided through examination and consultation.

Is Rejuran more effective the more it hurts?

The intensity of pain and the treatment effect are not in a direct proportional relationship. Pain varies according to the injection speed, the anesthesia method, the sensitivity of the treated area, and the practitioner's technique, while Rejuran's effect depends on whether it was injected evenly at the appropriate depth and on the skin's subsequent collagen regeneration process.

Is there a way to reduce pain during a Rejuran treatment?

By applying numbing cream sufficiently or, as needed, choosing a sleep anesthesia method, pain can be reduced considerably. Since perceived pain can also vary depending on the injection speed and method, it helps to consult a medical professional about the pain management method before the treatment.

What content should I refer to when looking at Rejuran reviews?

Rather than "how much it hurt," reviews that contain content on whether pain was managed sufficiently and whether the treatment was designed to suit an individual's skin condition are more useful. We recommend referring to reviews that mention a design process tailored to skin condition rather than the figure "I received such-and-such cc."

Can swelling or bruising occur after a Rejuran treatment?

Yes, swelling, redness, bruising, and temporary pain may appear at the injection site. Most are temporary reactions, but if symptoms persist or worsen, it is best to check with a medical professional.

Does the Rejuran treatment effect appear the same for everyone?

No. The effects and reactions of a Rejuran treatment may differ depending on an individual's skin condition. Even with the same treatment, results can vary according to skin type, condition, and area of concern, so it is important to decide on the method that suits you through sufficient consultation before the treatment.

If you are weighing the choice of treatment for facial wrinkles overall, we recommend also referring to the article comparing Rejuran, botulinum toxin, and RF lifting.## Recovery and downtime

Because Rejuran is injected at multiple points beneath the skin, swelling, redness, a stinging sensation, or small bruises may appear at the injection sites right after the treatment. These reactions tend to subside within a few days, though the degree varies with your skin condition, the treated area, and the anesthesia and injection method. Sensitive areas such as around the eyes or mouth may show slightly more noticeable swelling or bruising, so if you have an important schedule, it is more comfortable to allow some buffer around your treatment date. On the day of treatment, avoiding excessive heat stimulation (sauna, intense exercise, alcohol) and not rubbing the injection sites hard supports recovery. If symptoms persist or worsen, we recommend consulting a medical professional rather than dealing with it on your own.

Rather than being a single fixed figure, the cost of Rejuran is determined by several factors coming together: which type of Rejuran is used, the volume (cc) and injection range used at one time, the treated area (the whole face or a specific area), the anesthesia method (numbing cream or sleep anesthesia), and whether aftercare or a follow-up package is included. For this reason, it is difficult to assume that a figure you saw in a review or advertisement will be exactly your cost. The accurate cost is best confirmed during a consultation after your skin condition and area of concern have been seen directly.

ON Clinic is located near Gangnam Station and Sinnonhyeon, within easy walking distance of the subway, which makes access convenient for visitors from overseas. If you would like to check the choice of Rejuran type, the pain management method, and an injection design suited to your skin, you can go over these specifically in an in-person consultation. Multilingual consultation support is available, and you are welcome to leave a reservation or advance inquiry comfortably through chat consultation.

Written by: Dr. Oh Seung-min (Chief Director of ON Clinic, graduate of Seoul National University College of Medicine, Chair of the Academic Committee of the Korean Society for Laser Dermatology and Hair). You can check the detailed background at Meet Our Medical Team. First published 2026-07-02 / Last reviewed 2026-07-09

This article is intended to provide general information, and the appropriate treatment and results may differ depending on an individual's condition.