Korean skin boosters include several types of injectable treatments designed for different skin concerns. Although Rejuran, Re2O, Juvelook Skin, and Juvelook Volume are sometimes grouped under the same term, they contain different materials and are not intended to produce identical results.

Rejuran is based on polynucleotides, Re2O uses a human acellular dermal matrix, and Juvelook combines poly-D,L-lactic acid with hyaluronic acid. The most appropriate option depends on whether the main concern is skin texture, pores, fine lines, elasticity, dermal density, or facial volume.

At QD Clinic, a Gangnam skin clinic in Seoul, skin booster treatments are discussed after evaluating skin thickness, texture, elasticity, volume loss, previous procedures, and the patient’s overall skin condition.

Q1. What Is a Korean Skin Booster?

A skin booster is an injectable treatment used to improve overall skin quality rather than substantially change facial shape.

Depending on the product, skin boosters may be considered for concerns such as:

-Fine lines

-Enlarged pores

-Rough or uneven skin texture

-Reduced elasticity

-Dry or dull-looking skin

-Thin or weakened-looking skin

-Early loss of facial volume

The term “skin booster” covers several types of injectable materials. Some primarily support skin repair, some stimulate gradual collagen production, and others provide structural components to the dermal layer.

For this reason, skin boosters should not be selected only by price or popularity. The ingredients, injection depth, treatment area, and intended result should all be considered.

Q2. What Is the Difference Between Rejuran, Re2O, and Juvelook?

*Rejuran

Rejuran is a polynucleotide-based injectable treatment. Polynucleotides are purified DNA fragments commonly derived from salmon sources and have been studied for their potential role in skin repair and rejuvenation.

Rejuran may be considered when the main concerns include:

-Fine lines

-Reduced elasticity

-Rough skin texture

-Thin or damaged-looking skin

-Overall skin condition and resilience

Rejuran does not work like a conventional hyaluronic acid filler. Its purpose is not to create immediate facial volume, but to support gradual improvement in the condition of the skin.

*Re2O

Elravie Re2O is an ECM-based injectable made from human acellular dermal matrix, also known as hADM. During processing, cellular components are removed while the structural characteristics of the dermal matrix are preserved. Its intended role is to support the structural restoration of damaged or deficient skin and dermal tissue.

Re2O may be discussed for concerns such as:

-Reduced skin density

-Loss of elasticity

-Enlarged pores

-Fine lines

-Thin or weakened dermal structure

-General decline in skin texture

Because Re2O is derived from donated human dermal tissue, international patients should receive a clear explanation of its origin, processing method, expected benefits, and potential risks before treatment.

*Juvelook

Juvelook is an injectable that combines poly-D,L-lactic acid, or PDLLA, with non-cross-linked hyaluronic acid. The hyaluronic acid component provides temporary hydration and support, while PDLLA is intended to stimulate collagen production gradually.

Juvelook is generally divided into formulations used for different treatment goals:

-Juvelook Skin: Primarily considered for pores, fine lines, uneven texture, and superficial acne scars

-Juvelook Volume: Considered when deeper wrinkles, facial hollowness, or gradual volume support are the main concerns

Both formulations are collagen-stimulating injectables, but the treatment depth, dilution, injection technique, and intended area differ.

Q3. How Are Juvelook Skin and Juvelook Volume Different?

Juvelook Skin focuses primarily on skin quality.

It may be used when the main concerns are:

-Enlarged pores

-Uneven skin texture

-Fine lines

-Superficial acne scars

-Reduced skin elasticity

It is generally injected more superficially and distributed across a wider skin area. The goal is not to create noticeable facial volume but to encourage gradual improvement in skin texture and dermal quality.

Juvelook Volume is intended for deeper structural concerns.

It may be discussed for:

-Facial hollowness

-Deeper folds

-Loss of soft-tissue support

-Areas requiring gradual volume improvement

Juvelook Volume should not be considered identical to a conventional hyaluronic acid filler. A hyaluronic acid filler can provide more immediate and predictable volume, while a PDLLA-based treatment generally develops more gradually through collagen stimulation.

Because deeper injections require a detailed understanding of facial anatomy, the treatment area, injection plane, and dosage should be determined carefully. Studies of PDLLA-HA injectables have reported gradual improvements in areas such as the tear trough and nasolabial folds, but available evidence is still developing and results cannot be generalized to every patient.

Q4. Which Skin Booster May Suit Different Skin Concerns?

The appropriate skin booster depends on the primary concern rather than which product is more expensive or recently introduced.

For Overall Skin Repair and Fine Lines

Rejuran may be considered when the skin appears thin, rough, less resilient, or affected by fine lines.

For Dermal Density and Weakened Skin Structure

Re2O may be discussed when reduced skin density, elasticity, pores, and weakened dermal support are the main concerns.

For Pores, Acne Scars, and Uneven Texture

Juvelook Skin may be considered when collagen stimulation is needed across superficial areas of the skin. It is also frequently discussed alongside energy-based treatments such as Potenza when pores or acne scars are being addressed.

For Facial Hollowness or Gradual Volume Support

Juvelook Volume may be considered when deeper tissue support or progressive volume improvement is required.

These treatments are not necessarily interchangeable. In some cases, a combination or staged plan may be discussed, but receiving several products at the same time does not automatically produce a better result.

Q5. How Many Sessions Are Needed, and What Is the Downtime?

Skin boosters are often performed as a series rather than as a single treatment. The number and interval of sessions vary according to the product, skin condition, treatment area, injection method, and previous procedures.

A treatment plan may commonly involve several sessions spaced a few weeks apart, followed by maintenance based on the individual response. However, the same schedule should not be applied automatically to every patient.

Temporary reactions may include:

-Small injection bumps

-Redness

-Swelling

-Bruising

-Tenderness

-A tight or firm sensation

-Temporary unevenness at injection sites

These reactions may be more visible when the product is injected manually across multiple points. Recovery also depends on the treatment depth and whether the skin booster is combined with another procedure.

Re2O is a human tissue-derived product, while Rejuran and Juvelook use different biological or synthetic materials. Patients should inform the medical team about allergies, medical conditions, current medications, previous injectable treatments, and any history of abnormal scarring or inflammatory reactions before treatment.

Skin Booster Consultation at QD Clinic

Rejuran, Re2O, Juvelook Skin, and Juvelook Volume have different compositions and treatment goals.

The condition of the skin, degree of volume loss, treatment area, and appropriate injection depth should be assessed before choosing a product. A combination or staged treatment plan may be discussed depending on the individual skin condition, but using multiple products does not necessarily result in a better outcome.

International patients should review the origin and composition of the material, recommended number of sessions, expected downtime, possible adverse reactions, and aftercare before proceeding.

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