Juvelook is generally the more targeted option for enlarged-looking pores, uneven texture, and selected shallow acne scars because it stimulates collagen with PDLLA. Rejuran focuses more broadly on skin regeneration, elasticity, and fine lines through polynucleotides. Deep or tethered acne scars usually require additional procedures rather than either injectable alone.

Juvelook and Rejuran are among the most popular Korean skin boosters, but they are not identical treatments. Both can support gradual improvement in skin quality, yet they use different ingredients and are often selected for different concerns.

If pores and acne scars are your priorities, understanding the type and depth of the texture problem matters more than choosing the most familiar product name.

What Is Juvelook?

Juvelook combines poly-D,L-lactic acid, known as PDLLA, with non-cross-linked hyaluronic acid.

The hyaluronic acid provides an initial supportive and hydrating effect, while the PDLLA particles stimulate collagen production over time. Standard Juvelook is commonly used for:

• Enlarged-looking pores
• Uneven skin texture
• Shallow acne scars
• Fine lines
• Reduced skin firmness
• Overall collagen stimulation

Juvelook does not work like a conventional filler that immediately creates substantial volume. Its primary skin-quality effects develop gradually.

What Is Rejuran?

Rejuran contains polynucleotides, commonly abbreviated as PN. These purified DNA fragments are generally derived from salmon-family fish sources and used to support skin regeneration.

Rejuran may be recommended for:

• Fine lines
• Reduced elasticity
• Dry or crepey-looking skin
• Uneven skin texture
• Thin or delicate skin
• Overall skin-quality improvement

Rejuran can make the skin appear smoother and healthier over time, but it is not primarily designed to rebuild deep acne scars.

Which Is Better for Enlarged Pores?

Juvelook is generally the more targeted choice when enlarged-looking pores are the main concern. Its PDLLA component supports gradual collagen remodeling, which may help the skin appear firmer and smoother around visible pores.

Rejuran may improve overall texture and elasticity, but its effect on pore appearance is usually part of a broader skin-regeneration result.

It is also important to identify why the pores look prominent. Possible contributing factors include:

• Excess oil production
• Clogged pores
• Reduced skin firmness
• Sun damage
• Acne-related textural changes

Neither Juvelook nor Rejuran can remove pores permanently. The goal is to make them appear less noticeable.

Which Is Better for Acne Scars?

Juvelook is generally more relevant for selected shallow, indented scars because it is used to stimulate collagen beneath the skin.

However, acne scars vary considerably. Ice-pick, boxcar, and rolling scars may require different procedures. A skin booster alone is unlikely to correct deep or tethered scars.

Rejuran may support overall healing and skin quality, but it should be considered an additional regenerative treatment rather than the main procedure for significant indented scars.

Can Juvelook Treat Deep Acne Scars?

Juvelook may improve selected shallow depressions, but deep scars often require a more targeted approach.

Depending on the scar type, a clinic may recommend:

• Subcision for tethered rolling scars
• TCA CROSS for selected ice-pick scars
• Fractional laser resurfacing
• RF microneedling
• Scar-focused filler
• Juvelook as part of a combined plan

Ask the clinician to identify your scar type before recommending a standard acne-scar package.

Can Rejuran Help Acne Marks?

Rejuran may improve general texture and support healthier-looking skin, but flat red or brown acne marks are different from indented scars.

Post-acne redness may require a vascular laser or another redness-focused treatment. Brown pigmentation may respond better to appropriate skincare, pigment treatment, or laser therapy.

Neither Rejuran nor Juvelook should automatically be used when discoloration—not texture—is the primary concern.

Which Is Better for Oily Skin and Pores?

Juvelook may improve the structural appearance of pores, but it does not directly treat every cause of excessive oil production.

If oiliness and clogged pores are significant, a broader plan may include:

• Appropriate acne skincare
• Prescription treatment
• Chemical peels
• Skin Botox
• Sebum-focused laser or light treatment
• Juvelook for remaining texture concerns

Rejuran may suit skin that appears dry, thin, or irritated more than skin whose primary issue is excessive oil.

Which Is Better for Sensitive or Thin Skin?

Rejuran may be preferred for thin, delicate, or crepey-looking skin because it focuses on gradual regenerative improvement without adding substantial volume.

Juvelook can still be used in selected delicate areas, but its dilution, depth, and placement require careful planning. Improper placement of a collagen-stimulating product can increase the risk of visible or palpable irregularities.

Patients with very thin skin should be treated conservatively regardless of the product.

What About Juvelook Volume?

Standard Juvelook and Juvelook Volume are not the same treatment.

Standard Juvelook is generally selected for pores, texture, fine lines, and selected acne scars.

Juvelook Volume is designed for greater collagen-based volumizing effects and may be used for areas of facial hollowing or volume loss.

If a clinic recommends Juvelook for acne scars, confirm which product it plans to use and why.

How Is Juvelook Applied for Acne Scars?

The treatment method may differ depending on the concern. Juvelook may be:

• Injected directly into selected scars
• Placed through multiple intradermal injections
• Delivered with a cannula
• Combined with microneedling
• Used alongside RF microneedling or laser treatment

These methods are not interchangeable. Ask how the product will be delivered and what each part of the plan is expected to improve.

Which Treatment Is More Painful?

Both treatments involve multiple injections and can be uncomfortable.

Rejuran is often described as relatively painful because of the product characteristics and the large number of superficial injection points.

Juvelook discomfort depends on whether it is injected with a needle, delivered with a cannula, or combined with another procedure such as RF microneedling.

Ask what numbing or pain-management methods are included.

What Is the Downtime?

After Juvelook, temporary effects may include:

• Redness
• Swelling
• Bruising
• Tenderness
• Small injection marks
• Temporary unevenness

After Rejuran, possible effects include:

• Visible injection bumps
• Redness
• Swelling
• Bruising
• Tenderness

If Juvelook is combined with laser treatment or microneedling, recovery may be more noticeable than after injections alone.

How Many Sessions Are Needed?

Both treatments are commonly recommended as a series. One appointment may provide some improvement, but pores and acne scars generally require a longer plan.

The number of sessions depends on:

• Scar type and depth
• Degree of pore visibility
• Skin thickness
• Treatment method
• Product quantity
• Combination procedures
• Individual collagen response

International patients should ask whether starting treatment during one Seoul visit is worthwhile and how follow-up sessions can be continued at home.

When Will Results Appear?

Juvelook results develop gradually because collagen stimulation takes time. Any early smoothness caused by swelling or the hyaluronic acid component should not be mistaken for the final outcome.

Rejuran also produces gradual changes in texture and elasticity. It should not be expected to fill an indented scar immediately.

Take standardized photos in consistent lighting if you want to evaluate progress accurately.

Which Treatment Has a Greater Risk of Lumps?

Both injections can temporarily create bumps, but persistent lumps are a particular consideration with collagen-stimulating products such as Juvelook.

Correct dilution, preparation, injection depth, and product placement are important. Juvelook should be administered by a provider experienced with the product and the selected treatment area.

Rejuran commonly leaves temporary superficial bumps, but these typically represent the injection deposits rather than intentional facial volume.

Can Juvelook and Rejuran Be Combined?

Yes, they may be combined or scheduled separately when the patient has multiple concerns.

A possible plan might use:

• Juvelook for pores and shallow scars
• Rejuran for overall elasticity and skin quality
• Laser, subcision, or RF microneedling for deeper scars

Using both is not automatically necessary. Ask what each product adds to the plan and whether prioritizing Juvelook or a scar-specific procedure would provide better value.

Questions to Ask a Korean Skin Clinic

Before booking, ask:

• Do I have enlarged pores, acne scars, or both?
• What types of acne scars do I have?
• Are my scars deep or tethered?
• Would Juvelook or Rejuran address the main concern?
• Which product variant and quantity will be used?
• How will the product be delivered?
• Do I need subcision, laser, or RF microneedling as well?
• How many sessions are recommended?
• What downtime and risks should I expect?
• What is the total cost of the complete plan?

Juvelook vs Rejuran: Which Should You Choose?

Consider Juvelook if your main concerns are:

• Enlarged-looking pores
• Uneven texture
• Shallow indented acne scars
• Reduced firmness
• Gradual collagen remodeling

Consider Rejuran if your main concerns are:

• Fine lines
• Thin or crepey skin
• Reduced elasticity
• Dry or damaged-looking skin
• General skin regeneration

The Final Verdict

Juvelook is generally the better choice for visible pores, uneven texture, and selected shallow acne scars. Rejuran is generally better suited to fine lines, elasticity, and overall regenerative skin care.

For deeper acne scars, neither should be used as a universal standalone solution. The best results usually come from identifying the scar type and combining the appropriate procedure with a skin booster only when it adds meaningful value.