Rejuran Manual Injection vs. Device Injection: Differences in Papules, Pain, and Effectiveness

The Effects of Rejuran Are Appealing, but Why Do So Many People Hesitate Before Treatment?

People considering Rejuran often feel excited about the possibility of improving their skin texture, elasticity, and overall skin condition. At the same time, many hesitate because of common concerns such as, “Is Rejuran really that painful?” “What if the papules or bumps look too obvious?” or “If I choose device injection and the papules are less visible, does that mean the results are weaker?”

Because Rejuran can be administered through manual injection by a medical provider or through an automated injection device, many patients search online to compare which method is more effective and less painful. However, the more information they read, the more confusing the decision can become.

In this column, we will begin with a clear definition of Rejuran, then explain the key differences between manual injection and device injection, including papules, pain, effectiveness, and downtime. Finally, we will guide you on how to choose the most suitable option based on your skin type and personal schedule.

Rejuran is a skin booster treatment containing PN (Polynucleotide), which is injected into the skin, primarily into the dermal layer. The purpose is to create an environment that supports the skin’s natural recovery and regeneration process. Unlike treatments that focus on quick surface changes, Rejuran is widely known for gradually improving overall skin quality and restoring skin balance over time.

For patients who want healthier skin texture, improved elasticity, and long term skin resilience, Rejuran is often considered a reliable option.

Expected Benefits of Rejuran

• Improvement in skin texture

• Enhanced elasticity

• Reduction of fine lines

• Improvement in pore appearance

• Reduction of redness

• Restoration of the skin barrier

• Promotion of skin regeneration

Injection Methods: Manual Injection vs. Device Injection

One of the most important factors affecting satisfaction with Rejuran treatment is not just the ingredient itself, but how it is delivered. Even though the product is the same, the injection method can influence pain levels, papule appearance, overall uniformity, treatment speed, and downtime.

With Rejuran manual injection, the practitioner adjusts the depth, angle, and amount of product for each area based on skin thickness and facial contours. This allows for a highly customized approach, especially for delicate areas where precision matters. However, because the treatment often involves many detailed injection points, stimulation can increase and pain may feel more intense. For this reason, the overall experience is strongly affected by the anesthesia and pain control strategy used, such as sleep sedation, topical anesthesia, cooling, or gas anesthesia.

Papules that appear after manual injection occur as the product is distributed within the skin layers. These bumps are a common response and may last from about 3 days up to 10 days, depending on individual skin sensitivity, injection density, and swelling response. Immediately after treatment, papules and redness may be noticeable, and in some cases mild bruising or swelling can persist. If you have important events coming up, it is recommended to schedule treatment with enough recovery time.

Rejuran device injection uses an automated injector to deliver the product at consistent depth and intervals, making it especially effective for evenly treating the entire face in a shorter amount of time. This method is often described as less painful compared to manual injection because injections are delivered quickly and uniformly. However, pain perception still depends on individual sensitivity, anesthesia method, injection density, and overall skin condition.

Because the injection pattern is more consistent, bruising tends to be less common. Papules also tend to appear more evenly and subtly across the face rather than forming noticeable bumps in specific spots. Importantly, less visible papules do not mean reduced effectiveness. Results depend more on whether the product reaches the correct depth, the total dosage, the treatment interval, and proper aftercare. While recovery varies by person, device injections often stabilize within approximately 3 to 5 days, making this option more practical for those with busy schedules.

Rejuran Manual Injection vs. Device Injection: Which Is Right for You?

The key is not simply choosing the less painful option, but selecting the method that best matches your treatment goals and schedule.

If your main concern is improving fine wrinkles, skin texture, or delicate areas such as around the eyes or mouth where the skin is thin and sensitive, Rejuran manual injection may be more suitable because it allows the practitioner to target specific areas with greater precision.

On the other hand, if your goal is to improve overall skin texture, hydration, and skin condition evenly across the entire face in a shorter amount of time, while minimizing discomfort and keeping downtime manageable, Rejuran device injection may be the more practical option.

Ultimately, the best choice depends on whether you prioritize targeted precision or consistent full face treatment efficiency.

How to Maintain Rejuran Results Long Term

Rejuran is not typically considered a one time procedure. Instead, it is a cumulative treatment designed to gradually enhance skin condition over time. This is why maintaining results often depends more on long term treatment strategy than on injection method alone.

To support long lasting Rejuran results, it is important to follow a treatment plan that matches your skin type and condition.

• Customized treatment intervals based on skin type, including initial sessions and maintenance sessions

• Creating an optimal recovery environment through UV protection and consistent moisturization

• Avoiding aggressive exfoliation or highly irritating treatments during the recovery period

• Planning treatment schedules in advance when important events are approaching

Ultimately, the most important factor is building cumulative improvement through consistent treatments tailored to your skin condition.

AB Clinic’s Customized Protocol by Skin Type

Because Rejuran is administered to the face, where even small differences can be noticeable, patient satisfaction depends not only on what is injected but on the entire process, including diagnosis, injection technique, pain control, and recovery management.

At AB Clinic, board certified dermatology professionals design personalized Rejuran treatment plans that consider each patient’s skin condition, pain sensitivity, and downtime schedule. To reduce discomfort and improve the overall experience, multiple anesthesia options are available, including sleep sedation, non sedation breathing anesthesia, and topical anesthesia, allowing patients to choose treatment with greater comfort and confidence.

Rejuran is not about choosing only manual injection or only device injection. Results depend on how well the treatment plan is customized for your skin. AB Clinic focuses not only on improving appearance, but also on restoring overall skin health balance, aiming for natural and gradual improvement through a detailed and precise treatment process.

AB Clinic is currently offering a limited January Rejuran Healer event.