Re2O vs Rejuran: Differences in Ingredients and Effects, and How to Choose Based on Your Skin Concerns

“What is the difference between Re2O and Rejuran?”

“I have received Rejuran before. Would Re2O also be worth considering?”

“Which skin booster, Re2O or Rejuran, would be a better fit for me?”

Many people are curious about how Re2O and Rejuran differ and which one may be more appropriate for their individual skin concerns.

In conclusion, both Re2O and Rejuran are skin boosters intended to improve skin condition, but they differ in their key ingredients and the way they approach the skin. Re2O uses acellular allogeneic dermal tissue components derived from the human body. By directly delivering ECM, or extracellular matrix, which forms the structural environment of the skin, into the skin, it aims to improve the fundamental skin environment. Rejuran, on the other hand, uses PN to support skin regeneration.

Key Information: Re2O vs Rejuran

In this article, we will look at the differences between Re2O and Rejuran in terms of their ingredients and effects, as well as the criteria for choosing between them based on individual skin concerns.

*This column was written by the medical staff of AB Clinic.

Re2O vs Rejuran: Differences in Ingredients and Mechanisms of Action

The biggest difference between Re2O and Rejuran lies in their key ingredients and the way they approach the skin.

[Key Summary: Differences in Ingredients and Mechanisms of Action Between Re2O and Rejuran]

• Re2O: Uses ECM, or extracellular matrix, components to improve the environment that supports the skin

• Rejuran: Uses PN to help support skin regeneration

• Re2O can be compared to improving the “soil” of the skin, while Rejuran can be compared to supplying the skin with “water and nutrients.”

• Neither treatment is inherently better than the other. The appropriate choice depends on the current skin concern.

It may be easier to understand the skin by thinking of it as a plant. If Re2O takes an approach that improves the “soil” so that the plant can grow in a healthier environment, Rejuran is closer to an approach that provides “water and nutrients” to support recovery.

Therefore, rather than viewing the two treatments as superior or inferior to one another, it is more appropriate to understand them as different approaches to improving the skin.

You can find more detailed information about the treatment principles of Re2O in the previously published column.

>>AB Column: What Is Re2O? Treatment Principles, Ingredients, Effects, Recommended Candidates, and Dosage<<

What Is the Difference in Effects Between Re2O and Rejuran?

Re2O may be considered when the skin has become thin and weakened or when multiple concerns such as wrinkles, reduced elasticity, skin texture, and skin tone appear together. In particular, it may be used when the goal is not simply to improve one specific concern, but to improve the overall skin environment and condition.

Rejuran may be expected to help improve skin texture, oil and moisture balance, and recovery of the skin barrier through an approach based on skin regeneration.

[Key Summary: Differences in Effects Between Re2O and Rejuran]

• Re2O: Comprehensive improvement in skin condition, including skin texture, wrinkles, elasticity, and skin tone[1]

• Rejuran: Improvement in skin texture, oil and moisture balance, and elasticity based on skin regeneration[2]

• If multiple skin concerns are present at the same time, Re2O may be considered

• If the focus is on skin regeneration, Rejuran may be considered

Who Is Re2O or Rejuran Recommended For?

[Re2O Recommended For]

• Those with thin and weakened skin

• Those concerned about skin texture, elasticity, and fine wrinkles at the same time

• Those seeking overall improvement in skin condition

• Those who feel that conventional skin boosters have not provided sufficient improvement

[Rejuran Recommended For]

• Those who want to focus on skin regeneration

• Those concerned about skin texture and oil and moisture balance

• Those who want to strengthen the skin barrier

• Those whose skin has become dry and easily irritated

At times, the results of Rejuran may not feel satisfactory. More detailed information can be found in the previously published column.

>>AB Column: Characteristics of People Who May Not Notice Sufficient Results From Rejuran<<

Re2O vs Rejuran Frequently Asked Questions FAQ

​Q. What is the biggest difference between Re2O and Rejuran?

Re2O improves the skin environment through ECM components, while Rejuran differs in that it supports skin regeneration and recovery through PN.

Q. Which is more effective, Re2O or Rejuran?

It is difficult to say that one is definitively better than the other. The appropriate treatment may differ depending on the current condition of the skin and the specific concerns you wish to improve, and the two treatments may also be performed together.

Q. I have already received Rejuran. Can I also receive Re2O?

Rejuran and Re2O are skin boosters that use different ingredients. Additional Re2O treatment may be considered after evaluating your skin concerns and current condition following the previous treatment.

Q. If my skin is thin and weak, which should I choose between Re2O and Rejuran?

If the skin is thin and weakened and multiple concerns such as skin texture, elasticity, and fine wrinkles are present together, Re2O may be considered with the goal of improving the overall skin environment.

However, the final treatment choice should be determined after evaluating the actual condition of the skin.

References

[1] Lee YI, et al. Injectable Particulated Human Acellular Dermal Matrix Booster for Skin Restoration: An Integrated Randomized, Split-Face, Double-Blinded Clinical Trial and Preclinical Study. International Journal of Molecular Sciences. 2026;27(5):2193.
https://pubmed.ncbi.nlm.nih.gov/41828422/



[2] Lee YJ, et al. Comparison of the Effects of Polynucleotide and Hyaluronic Acid Fillers on Periocular Rejuvenation: A Randomized, Double-Blind, Split-Face Trial. Journal of Dermatological Treatment. 2022;33(1):254–260.
https://pubmed.ncbi.nlm.nih.gov/32248707/

About the Author

Education and Professional Background

• Graduated from Chung Ang University College of Medicine
• Completed residency training in surgery at Chung Ang University Hospital
• Former Director of MRED Clinic
• Former Director of Celine Clinic
• Former Director of IH Plastic Surgery Clinic
• Former Director of FINE Clinic
  

Medical Disclaimer: This article is for general educational purposes and does not replace individual medical consultation or diagnosis. Treatment suitability, outcomes, and recovery vary by patient.