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Would the effect be better if Rejuran and Juvelook were received together?

You&I Clinic Hongdae Sinchon · 닥터다람의 예뻐지는 피부비결 · December 20, 2025

Would the effect be better if Rejuran and Juvelook are received together? "My skin texture has improved with Rejuran, but the firmness is a little disappointing." "Juvelook does ma...

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This page is an English translation of a Korean Naver Blog archive entry. For exact wording and source context, verify against the Korean archive original and the original Naver post.

Clinic: You&I Clinic Hongdae Sinchon

Original post date: December 20, 2025

Translated at: April 20, 2026 at 1:34 PM

Medical note: This translation does not guarantee medical accuracy or suitability for treatment decisions.

Would the effect be better if Rejuran and Juvelook are received together?

"My skin texture has improved with Rejuran,

but the firmness is a little disappointing."

"Juvelook does make the skin feel plumper,

but my skin seems to become a bit sensitive."

This is a common comment among people who regularly receive skin boosters.

So the question comes up: "Would the effect be even better if the two are received together?"

To give the conclusion first,

the two procedures work differently.

Because of that, it is important to choose or combine them according to each person's skin condition.

Today, I will explain in detail how Rejuran and Juvelook work differently,

and what should be considered when using them together.

Would the effect be better if Rejuran and Juvelook are received together?
​1. How are the two procedures different?​2. What are the benefits of receiving them together?​3. What should be considered during treatment?​

Rejuran Juvelook

How are the two procedures different?

I will explain how the two procedures differ based on research that summarizes the principles of various skin boosters.

Would the effect be better if Rejuran and Juvelook were received together? image 1

First, PN, the key ingredient in Rejuran,

is a substance extracted from salmon DNA that forms a 3D structure within the skin.

This structure plays a role in supporting the skin tissue.

Would the effect be better if Rejuran and Juvelook were received together? image 2

According to studies, PN stimulates damaged skin to recover on its own

and has the effect of reducing inflammation.

In simple terms, it helps raise the skin's "basic condition."

So after receiving Rejuran,

you may notice that the skin texture becomes smoother

and fine lines soften.

It can be especially helpful for people with sensitive or inflamed skin.

On the other hand, what about PDLLA,

the key ingredient in Juvelook?

PDLLA directly stimulates fibroblasts in the skin

to produce collagen.

According to studies, when PDLLA particles enter the skin, fibroblasts are activated.

Would the effect be better if Rejuran and Juvelook were received together? image 3

During this process, new collagen is generated,

and over time the skin becomes firmer

and volume is restored.

In simple terms, Juvelook helps make the skin's "structure"

more solid.

So it is suitable for people concerned about loss of firmness or reduced volume.

By analogy, Rejuran is closer to a "nutritional supplement,"

and Juvelook is closer to "exercise."

A supplement helps raise the body's overall baseline condition,

while exercise directly stimulates the muscles

to create structural changes.

Rejuran Juvelook

What are the benefits of receiving them together?

Since the two procedures work through different principles,

using them together can help compensate for each other's limitations.

Rejuran strengthens the skin's regenerative ability

and helps stabilize the skin barrier.

Juvelook stimulates collagen production

to improve the skin's firmness and volume.

Would the effect be better if Rejuran and Juvelook were received together? image 4

If Rejuran stabilizes the skin's foundation,

the stimulation from Juvelook may be accepted more smoothly.

Conversely, while Juvelook is promoting collagen production,

Rejuran can help refine the skin texture.

However, this does not apply to every skin type in the same way.

If your skin is thin or sensitive,

the stimulation response may be stronger,

so the ratio may need to be adjusted.

Rejuran Juvelook

What should be considered when receiving them together?

It is possible to perform Rejuran and Juvelook on the same day,

but depending on the skin condition,

they may also be done in separate steps.

In particular, if your skin is sensitive or it is your first treatment,

a gradual approach is better.

Rejuran and Juvelook tend to be more effective when received multiple times

rather than as a one-time procedure.

However, it is better to receive the treatment after the skin has had some time to respond and recover.

Would the effect be better if Rejuran and Juvelook were received together? image 5

In general, skin boosters tend to be more effective when performed at 3- to 4-week intervals.

Also, the combination can vary depending on skin thickness and condition.

If you have less cheek fat and thinner skin,

the risk of irritation or nodules from PDLLA may be relatively higher,

so it may be safer to increase the Rejuran proportion

or reduce the PDLLA dose or concentration.

In the end, the important thing is not "combining them unconditionally"

but "a plan that suits my skin."

Because the two procedures work differently,

it is important to choose according to each person's skin condition.

Today, we talked about whether the effect would be better if Rejuran and Juvelook are received together.

Rejuran and Juvelook act on the skin in different ways.

Rejuran focuses on regeneration and recovery,

while Juvelook focuses on firmness and volume.

If these two are combined appropriately,

the skin's foundation and structure can be strengthened at the same time,

which can improve the overall effect.

However, since the same approach does not apply to every skin type,

it is important to plan after having 충분한 상담 with experienced medical staff.

Thank you. This was Hongdae Sinchon UNNI^^

< The story of the Hongdae Sinchon branch built over 10 years>

<Directions to UNNI Clinic Hongdae Sinchon Branch>

Would the effect be better if Rejuran and Juvelook were received together? image 6

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