What is Rejuran?

Rejuran, a polynucleotide-based skin treatment derived from salmon DNA, is administered through a series of micro-injections into the dermal layer. Its active ingredient, polynucleotide (PDRN), aims to support skin repair processes at the cellular level, which is why Rejuran is often categorised as a regenerative skin booster rather than a volumising injectable.

Because the focus is on skin quality rather than volume, Rejuran works differently from injectables that fill or lift. The polynucleotides may contribute to improvements in skin texture, elasticity, and hydration over a course of sessions, and a Rejuran skin booster protocol typically involves several sessions spaced over a few weeks. The response develops gradually as the skin reacts to the treatment.

What is Juvelook?

If Rejuran is focused on regenerative skin repair, Juvelook sits in a different category of injectables altogether. It is a collagen biostimulator that combines poly-D,L-lactic acid (PDLLA) with hyaluronic acid (HA) and works by stimulating the skin’s own collagen response over time rather than directly acting on skin repair.

The HA component provides a degree of hydration after injection, while the PDLLA microparticles are gradually metabolised. During this process, they may stimulate fibroblast activity and new collagen formation in the treated area, which is why Juvelook is often discussed in the context of supporting firmness and the appearance of volume over months rather than days. As with other biostimulators, the response builds across a course of sessions, with full effect developing gradually.

Key Differences at a Glance: Rejuran vs Juvelook

With the two mechanisms established, the practical differences become clearer. Juvelook and Rejuran differ across several clinical dimensions:

• Active ingredient: Rejuran uses polynucleotides (PDRN). Juvelook combines PDLLA with hyaluronic acid.
• Primary mechanism: Rejuran supports cellular skin repair. Juvelook stimulates collagen formation through a biostimulatory response.
• Depth of injection: Rejuran is typically administered into the dermal layer. Juvelook is generally injected into the deeper dermal or subdermal layer, depending on the area being treated.
• Typical use cases: Rejuran is more often discussed in relation to skin texture, elasticity, and overall skin quality. Juvelook is more often discussed in relation to supporting collagen activity, firmness, and the appearance of volume.

These distinctions matter because the appropriate choice depends on what the patient’s skin needs, not on which treatment is more familiar.

Can They Be Used Together?

Given how differently the two work, it is reasonable to ask whether they can be combined. In some treatment plans, biostimulators and regenerative injectables may be used together, with one addressing skin quality and the other supporting collagen activity over time.

Whether this is appropriate and how the two should be sequenced, if both are used, depends on the patient’s skin condition, the areas being treated, and the wider plan agreed during consultation.

Combination approaches are determined clinically rather than offered as standard protocols. Each plan is built around the patient in front of the doctor, not around a fixed pairing.

How to Know Which is More Suitable for You

That assessment is also what determines which option is recommended in the first place. Suitability depends on factors that can only be evaluated in consultation, including skin condition, age, the specific concerns the patient wants to address, medical history, and the broader treatment plan recommended by the doctor.

A patient whose primary concerns are texture, fine lines, and overall skin quality may be guided toward a specific option. A patient looking to support firmness and gradual collagen rebuilding may be guided toward the other. In some cases, neither is appropriate as a first-line treatment, and the doctor may recommend a different approach altogether. Results vary between individuals, and possible side effects should be discussed with a qualified doctor before proceeding.

Speak With Our Doctors

Patients considering skin booster or biostimulator options can reach out to our aesthetic clinic in Singapore, where treatment recommendations are made based on individual assessment rather than fixed packages. More information about the Juvelook filler offered at the clinic is available to patients specifically interested in the treatment.

The post Juvelook vs Rejuran: What’s the Difference? appeared first on Om Aesthetics Clinic.