Did you know that skin boosters offer benefits beyond traditional hyaluronic acid fillers? These minimally invasive injectable treatments primarily focus on improving skin quality, including hydration, elasticity, texture, and the appearance of fine lines. Unlike conventional dermal fillers, skin boosters are generally not intended to create significant facial volume or reshape facial contours.
Skin boosters are used by medical professionals to address selected skin-quality concerns, particularly in the facial area. Sunekos and Rejuran have different formulations and proposed mechanisms of action. Sunekos contains hyaluronic acid and amino acids, while Rejuran is a polynucleotide-based injectable. Early evidence suggests that both may improve selected measures of hydration, texture, elasticity, and fine lines, although results vary between products and patients.
This article compares Sunekos and Rejuran treatments. It evaluates their ingredients, mechanisms of action, efficacy in skin rejuvenation, and suitability for different skin concerns, providing insights to help choose the appropriate treatment.
Key Takeaways
- Professional Dietetics developed Sunekos in Italy, while PharmaResearch developed Rejuran in South Korea. Product formulations and regulatory information may vary by market.
- Sunekos contains hyaluronic acid and amino acids and is intended to support skin hydration and dermal remodeling. Rejuran contains polynucleotides and is intended to support skin-quality improvement and regenerative processes.
- Both treatments may be considered for selected patients with concerns such as dryness, fine lines, reduced elasticity, or uneven texture. Suitability depends on the patient’s medical history, treatment goals, and the specific product.
- Treatment schedules vary by product and clinical protocol. Patients should consult a qualified medical professional before treatment.
- Understanding the differences between Sunekos and Rejuran can help patients discuss appropriate options with their healthcare provider.
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Introduction to Sunekos and Rejuran
In comparing Sunekos vs Rejuran, providers use these injectable treatments in aesthetic medicine to improve selected aspects of skin quality. They may consider both for concerns such as dryness, fine lines, uneven texture, and reduced elasticity. However, they differ in their ingredients and proposed mechanisms of action. Because they are minimally invasive procedures rather than conventional volumizing fillers, they are generally selected for skin-quality improvement instead of major changes in facial structure.
As demand for non-surgical cosmetic procedures continues to grow, injectables such as Sunekos and Rejuran are increasingly discussed as options for improving skin quality with limited recovery. Potential advantages may include:
- A generally short procedure time.
- Limited recovery compared with surgery.
- Possible improvements in skin hydration and texture.
- A reduction in the appearance of selected fine lines.
- A treatment plan tailored to the patient’s skin concerns and goals.
One common question is, “How many Sunekos treatments” are needed for optimal results? The recommended number of sessions varies according to the specific Sunekos product, treatment area, and provider protocol. A published study of a related hyaluronic-acid injectable used two treatment sessions four weeks apart. For Rejuran, a commonly described course involves about three sessions spaced four weeks apart, although the schedule may vary by product, treatment area, and patient.
Developed by Professional Dietetics in Italy, Sunekos focuses on boosting collagen and elastin production, while PharmaResearch in South Korea introduced Rejuran, which uses polynucleotides for deep skin healing. Despite their different approaches, both Sunekos and Rejuran provide advanced solutions to restore youthful radiance and improve skin health.
Ingredients and Mechanism of Action
Sunekos products contain hyaluronic acid combined with amino acids. Practitioners should confirm the exact composition using the current product-specific packaging and instructions for use because the Sunekos range includes more than one formulation. The combination is intended to support skin hydration and dermal remodeling. Although collagen and elastin stimulation are proposed mechanisms, these effects should not be presented as definitively proven for every Sunekos product or treatment protocol
Rejuran Healer is a polynucleotide-based injectable developed by PharmaResearch in South Korea. Its polynucleotides are generally described as purified DNA-derived polymers from salmonid sources, although the exact composition should be confirmed in the current product documentation. Proposed actions include supporting dermal hydration, tissue remodeling, and cellular repair processes. Early clinical studies report possible improvements in skin texture, elasticity, hydration, and fine lines, but further research is needed to determine the size and durability of these effects.
Sunekos vs Rejuran differ mainly in their active ingredients and intended biological effects. Sunekos uses hyaluronic acid and amino acids to support hydration and skin quality, while Rejuran uses polynucleotides to support skin-quality improvement and regenerative processes. Current evidence does not establish that one treatment is universally superior to the other.
Comparing Sunekos vs Rejuran in Efficacy in Skin Rejuvenation
Enhancements in facial parameters aligned with the bioremodeling goals and remained significant throughout the study. Both investigators and volunteers rated Sunekos’s tolerability and safety as good or excellent. This supports the effectiveness of the stable hybrid complexes of low- and high-molecular-weight hyaluronic acid in bioremodeling.
A 2016 single-center, open-label study evaluated a stable hybrid complex of high- and low-molecular-weight hyaluronic acid in 64 women aged 38–60 years. Participants received two treatment sessions four weeks apart and were followed for 16 weeks [2]. Several clinical, subjective, and instrumental measures improved, with some changes becoming significant by weeks 4 or 8 and remaining significant at week 16.
Because the study had no control group and included a relatively small sample, the findings provide encouraging but limited evidence. Temporary injection-site reactions were reported in some participants.
Clinical studies of polynucleotide-based injectables have reported possible improvements in hydration, elasticity, texture, and fine lines. However, studies differ in sample size, product formulation, injection technique, treatment schedule, follow-up period, and outcome measures.
Evidence specific to Rejuran remains limited, so these findings should be described as promising rather than confirmatory. Furthermore, evidence for reducing pigmentation or “normalizing skin conditions” is not strong enough to present as a general treatment outcome.
Although clinical research on Sunekos vs Rejuran remains limited, some studies and clinical reports describe favorable patient-reported outcomes. These findings should be interpreted cautiously because patient satisfaction is subjective and may be influenced by expectations, photography, concurrent treatments, and follow-up duration. Neither patient reviews nor satisfaction ratings replace controlled clinical evidence.
Suitability for Different Skin Concerns
When selecting between Sunekos vs Rejuran, practitioners can help patients target their concerns involving dryness, fine lines, reduced elasticity, or uneven texture. However, neither treatment is automatically suitable for every age, skin type, medical condition, or treatment goal. A qualified healthcare professional should review the patient’s medical history, medications, allergies, pregnancy or breastfeeding status, skin condition, and expectations before recommending treatment.
- Sunekos Suitability: Sunekos 200 may be considered by some clinicians for selected concerns involving dry or aging skin, fine lines, and reduced elasticity. Evidence for acne scars and photodamage is less established, and these concerns may require other treatments or a separate dermatologic assessment. The appropriate product, treatment area, and protocol should be determined by a qualified provider.
- Rejuran Suitability: Some practitioners may use Rejuran to improve overall skin quality, including texture, dryness, elasticity, and fine lines. Its role in treating pigmentation, dullness, or uneven skin tone remains less established. Because pigmentation can have different causes, patients should receive an appropriate assessment before choosing an injectable treatment.
Comparing Sunekos and Rejuran can help patients understand how their ingredients, proposed mechanisms, and evidence differ. Providers should explain expected benefits, limitations, alternatives, treatment schedules, aftercare, and potential adverse effects so patients can make informed decisions and maintain realistic expectations.
Conclusion
The comparison of Sunekos and Rejuran highlights two distinct minimally invasive injectable treatments for improving selected aspects of skin quality. Sunekos contains hyaluronic acid and amino acids, while Rejuran contains polynucleotides. Both may improve hydration, texture, elasticity, or fine lines in selected patients, but the strength of evidence varies by product, indication, and treatment protocol.
As interest in aesthetic treatments continues to grow, Sunekos and Rejuran may be considered for patients seeking skin-quality improvement without surgery. However, neither treatment should be described as a guaranteed or universally superior solution. Patients should consult a qualified medical professional to discuss suitability, realistic expectations, alternatives, and potential risks.
FAQs
1. What are the key differences between Sunekos and Rejuran treatments?
Sunekos targets the extracellular matrix for skin bioregeneration, enhancing skin elasticity and hydration, while Rejuran focuses on skin regeneration and tissue repair, improving texture and firmness.
2. How many treatments are required for Sunekos and Rejuran?
Sunekos treatments require four sessions, spaced seven to ten days apart, while Rejuran typically needs three to four sessions with a four-week interval.
3. What are the main benefits of Sunekos and Rejuran treatments?
Both treatments offer minimal to no downtime, a quick procedure, improved quality of life, enhanced skin health, and the ability to address aging signs and specific conditions.
Citations
[1] Yi, Kyu‐ho, et al. “Skin Boosters: 2026 Updated.” Journal of Cosmetic Dermatology, vol. 25, no. 6, May 2026, https://doi.org/10.1111/jocd.70875.
[2] Sparavigna, Adele, and Beatrice Tenconi. “Efficacy and Tolerance of an Injectable Medical Device Containing Stable Hybrid Cooperative Complexes of High- and Low-molecular-weight Hyaluronic Acid: A Monocentric 16 Weeks Open-label Evaluation.” Taylor & Francis, Sept. 2016, www.tandfonline.com/doi/full/10.2147/CCID.S114450.
[3] Vivacy. “REJURAN®: Korea’s Leading PN Skin Booster and Regeneration.” vivacy.com, vivacy.com/en/rejuran-korea-leading-skin-booster.
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