DualArm uses notched threads with two needles at the end of each thread and is commonly used on the forehead, eyebrows, cheeks, etc.

The needles are incredibly flexible and sharp, allowing the thread to be guided into the skin tissue at the desired contour with a single insertion. 


Manufacturer: RAINBOW thread / Oreon Life science

Brand: RAINBOW thread

Country of manufacture: Korea

Yarn material: PDO

Content: 1x thread


immediately available
incl. tax, plus shipping Shipping excluded * | Delivery time 2 - 3 days within Germany* | Abroad may vary
0.02 kg



21G/110/420 means outer diameter 21G, needle length 110mm, thread length 420mm


Rainbow Thread Dual Arm is the latest development in non-surgical thread lifting procedures.

Rainbow Dual Arm is a single thread with 3D 360° helical barb and has two needles at the end. This unique design allows for a single treatment with dual action for immediate repositioning and firm anchoring to the tissue. This strong holding power reduces the risk of migration and adverse events. A larger area can be lifted at once, providing effective tissue repositioning. The dual-arm method is simple and has few complications, requires no incisions and leaves no scars on the skin.

As the closest cog on existing V-Loc sutures, the 360° barbs do not run the risk of tipping over when pulled hard. Each 3D barb has a fixing force forward and backward and vector direction at the same time.

Rainbow 6D cog

Rainbow Thread COG Dual Arm is made from the latest development in non-surgical thread lifting procedures - COG thread. Developed with barbs attached to the thread, the COG thread is designed to be stronger, more stable, and have a longer lasting and more visible lifting effect after treatment. The new shape induces a higher chronic inflammatory response, which results in a higher fibroblast conversion rate during the healing process.

The Rainbow Thread COG Dual Arm 21G/110 is a V-Loc suture with two needles at the end of the thread with 360° helical barbs. The unique design of the dual arms allows both needles to be placed under the tissue by a single insertion into the skin. They can then be gently guided for precise contouring and tightening. The microscopic 3D barbs ensure that the thread does not tip over when pulled by the doctor. The dual-arm method is simple and less uncomfortable for the patient, as the procedure requires no incisions and leaves no scars on the skin.

Scope of delivery

The box consists of:

1 unit (1 pouches x 1 piece)

The package contains

21G x 110 mm needle

Suture sizes (USP): 1-0

Main ingredients:

PDO (Polydioxanone)

Advantages of Rainbow Thread Dual Arm 21G/110mm:

" Efficient and long lasting skin lifting

" 3D barbs for improved results

" Immediate lifting effect

" Leaves no scars

" Areas: forehead, eyebrows and cheeks

Advantages of Rainbow Thread Dual Arm 21G/110mm:

Rainbow Thread COG Dual Arm treatment lasts up to 24 months. Please note that results vary individually and depend on the age of the patient at the time of treatment, the quality of the skin, the degree of skin sagging and the number of threads used.

Advantages and features of the rainbow thread

1. Security

- no accumulation of pigments

- not harmful to the human body

- not immunogenic

- Biodegradable

2. Effectiveness

- High tensile strength & elasticity

- Strong volumizing and firming effect

3. Longevity

The rainbow thread has a tissue-repairing effect that lasts for 2 years.

4. Specialized

Rainbow Thread has a complete product portfolio with advanced innovative technologies

5. Certified

- Strict quality standards

- The Rainbow series complies with KFDA, CE, ISO13485 and GMP standards.

PDO Rainbow Threads Collection

Rainbow Thread is a new concept in premium lifting treatment with non-surgical skin tightening threads that effectively treat sagging skin and create a natural, fresher and younger looking face.

Rainbow Threads come in PDO (Polydioxanone), PLLA (Ply L-Lactic Acid) and PCLA (Poly L-Lactide-co-ε-Caprolactone), which are biodegradable and absorbable threads that have been used for surgical sutures for 50 years. The medical suture material is designed to be inserted into the SMAS layers to tighten and lift the skin, which is suitable for patients with sagging or drooping skin.

As we age, skin tissue becomes thinner due to the breakdown of collagen and elastin fibers, resulting in sagging skin, deep wrinkles and folds. Rainbow threads stimulate fibroblasts and collagen proliferation, causing a natural, dramatic skin tightening and lifting effect as the thread breaks down, improving blood circulation, helping to improve skin tone and repair, and increasing skin elasticity. The non-surgical skin lift is designed to provide a long-lasting effect with immediate results.

Rainbow Threads are certified as Class III devices under the European Medical Device Directive and carry the CE mark, which guarantees the quality and safety of the product.

Active ingredients

PDO: Polydioxanone


PDO is used to tighten and rejuvenate the skin. PDO thread dissolves naturally and is absorbed into the dermis layer after 3 to 6 months. It helps to produce the reproduction of collagen to maintain the lifting effect and improve skin tone.


‥ Generates collagen by injecting PDO. (PDO is approved as a suture thread)

‥ Wound healing process in action

‥ Regenerates skin cells, increases collagen formation and improves blood circulation, which helps skin repair and increase elasticity.


PDO begins to gradually break down about 2 weeks after the procedure and is completely dissolved after 8 months to 1 year.

PLLA (Poly-L-Lactic Acid)


Poly-L-lactic acid is one of the FDA approved body ingredients (PLLA is produced from corn and sugar cane)

- The effect of PLLA on neocollagenesis has been proven by worldwide clinical trials. PLLA has been approved by the FDA and is now used as a major ingredient in fillers (1999)

PLLA thread has better tension and elasticity in vivo than PDO thread. PLLA can be manufactured as rod and screw type to maximize the benefits

- PLLA has no pigmentation problems like plastic dyes and contains only components that are harmless to the human body.


After 1 month, collagen starts to form around PLLA, and then PLLA will gradually degrade and

Induce collagen formation.

PLLA is completely degraded and replaced by collagen within 18 to 24 months.

The excess is excreted in the urine.

PDO thread mechanism

PDO threads are used to tighten and rejuvenate the skin. PDO thread dissolves naturally and absorbs into the dermis layer after 3 to 6 months. It helps to fix the skin and promote the activities of collagen and cellular tissue.

Insert PDO threads into the dermis in an even direction to lift the muscle and add elasticity to the skin and activate fibroblasts. Even if the PDO thread dissolves, it continuously helps to reproduce collagen to maintain the lifting effect; it also improves skin tone.

PDO threads can be used on any areas with different types of threads for individual treatments. The treatment time is comparatively short and there is no downtime.

PDO Mechanism

POLYDIAXANON is an absorbable synthetic monofilament suture material. Its structure is monofilament, i.e. it consists of a single fiber. It has a smooth, uniform surface.

When pulling the suture through the tissue, it is important that it be smooth to facilitate the procedure and minimize patient discomfort. Otherwise, the thread will cut into and injure the tissue due to its rough and uneven surface. This leads to unwanted damage and increased bleeding at the puncture site

There are several ways to connect the thread to the needle. Usually, the needle is drilled with a laser beam, and the suture is inserted into the hole and crimped. This method is more reliable because it maximizes the strength of the needle and the strength of the needle-suture connection

PDO threads - in aesthetics

A thread lift is a procedure that uses temporary sutures to create a subtle but noticeable tightening of the skin. Instead of surgically removing the patient's sagging facial skin, the plastic surgeon simply suspends it by stitching the areas together. This causes the skin to retract slightly, which tightens and firms the face

Not only are the threads ideal for tightening the skin, but they also fight aging in other ways by triggering the body's "healing response" and causing it to send large amounts of collagen to the treated areas. This is important because collagen plays a critical role in the aging process.

Collagen helps support "growth factors" that have a major impact on the condition of our skin. Collagen is not only used to heal wounds, but also helps keep our skin strong, voluminous and elastic. As we age, our bodies produce less and less collagen, resulting in a reduction in skin thickness of up to 80% at around age 70. This loss of volume and firmness is a major factor in the appearance of excess skin and wrinkles

When the skin is weakened, it can no longer adequately support the underlying tissue, which means gravity pulls it down and stretches it. Supplementing the face with fresh collagen when signs of skin sagging are still low can help reduce sagging (by tightening and moisturizing the skin) and prevent it from getting worse (by firming the skin).

Rainbow Thread

In other words, this procedure ensures permanent and gradual rejuvenation of facial tissues. Patients treated with a thread lift to stimulate collagen report a gradual improvement in skin color and firmness. While the threads are in place, the body's healing response is constantly amplified as the body attempts to "heal" the sutured areas and remove the threads. The body is biologically programmed to respond in this way when it senses a foreign body in the dermis

Fortunately, the sutures that are placed under the skin during a thread lift are so small that the patient does not feel them. Most people do not feel the stitches once the skin around them has healed.

The main types of PDO threads

There are several types of polydioxanone threads. The choice depends on the patient's age, skin type and condition, and aesthetic requirements. Effect we want to achieve. The most commonly used are:

1.Monofilaments - simple. Made of only one fiber, the monofilament.

2.Twisted. These are monofilaments that are wound around a needle much like a spring.

3.Serrated yarns - with hooks. These threads contain micro-reliefs on the entire surface, which provide additional support mechanical lifting of the skin.

PDO Needle Types

Mono type

Mono-types are mainly intended for skin tightening, regeneration and rejuvenation.

Mono-types help to remove wrinkles and improve facial contours.

They also act as a support for Cog types and help the lifting effect last longer.

PDO Mono


PDO mono is a biodegradable, absorbable thread recommended for facial reinforcement.

Activates collagen synthesis, blood circulation and lymphatic drainage. Restores sagging skin, reduces dullness.

screw PDO Mono


PDO spiral threads are recommended for volume restoration.

Due to its spiral shape wrapped around the needle, the thread has a better regenerative effect than PDO monofilaments. The filament is flexible and elastic, which is especially important when correcting areas of high mimicry activity.



PDO Twin consists of two yarns that are interwoven and knotted together. The presence of knots during insertion keeps the fabric under tension so that it can not return to its original position. This form allows the greatest lifting effect. The threads are not visible through the skin and do not reveal themselves visually or haptically

Rainbow i PDO Mono

Rainbow i

Rainbow i is a monofilament with a U-shaped cannula specially designed for the treatment of the eye area to reduce dark circles and wrinkles.

Atraumatic and safe correction, minimal risk of bruising.


The barbs firmly fix the skin tissue to lift sagging skin and redefine facial contours.

3D cog

3D cog

The 3D thread has 360 degree spiral notches around the entire circumference of the thread. 120 degrees, which allows tightening the heavy tissues of the face and neck and solves a number of problems: even pronounced ptosis is eliminated, double chin and ruffles are removed, skin tone is improved. Effective for fixing large areas of skin

The technique is recommended for the correction of the lower and middle face in patients aged 30-45 years.

6D cog

6D cog

Robust 6D filament with spirally arranged multidirectional notches. The notches are placed on six sides of the thread to form a 6D configuration in diameter projection. It has a higher number of serrations than other COG thread types, so the thread grips the fabric as tightly as possible. This results in a uniform and pronounced effect during engagement and also reduces the risk of thread breakage at high tension.

Heart Lifting

Heart Lifting

Heart Lifting is an innovative notched thread produced by the casting process

Unlike serrated threads, the notches are not damaged in the casting process, as the thread is produced by pressing in a mold.

This technology extends the period of biodegradation, resulting in a longer lasting effect.

The unique heart-shaped design of the cuts provides maximum lifting effect.



Ultra and Ultra + are thinner filaments (USP 5-0) than other notched filaments (USP 1-0 / 2-0), but can still withstand high stresses. Suitable for tissue modeling even in the most delicate and difficult to reach areas of the face.

Dual arm

Dual arm

DualArm uses notched threads with two needles at the end of each thread and is commonly used on the forehead, eyebrows, cheeks, etc.

The needles are incredibly flexible and sharp, allowing the thread to be guided into the skin tissue at the desired contour with a single insertion



PLLA: Poly-L-lactic acid.

- Rejuvenating effect - triggers neocollagenesis

- Longer lasting results compared to PDO filaments

- Degrades naturally in the body within approximately 18 months

- Results last up to 24 months



These are copolymerized absorbable PCL and PLLA components with a history of more than 120 years and technology unsurpassed in the medical field.

* Longer biodegradation time than PDO. Same raw materials as APTOS and HappyLift

* Longer corrective effect. Longer biodegradation period, 12-18 months.

PCLA Heart

PCLA Heart

Hi Rhino

Hi Rhino

Hi Rhino is a lifting thread for non-surgical nose correction.

The thread is inserted into the nasal septum, bridge, tip and wings.

This bi-directional, notched thread provides a locking and anchoring effect and lifts the tip of the nose with minimal tissue trauma.

Raw materials for the rainbow threads

Tubular fabric PDO thread


Polydioxanon is a synthetic, absorbable, monofilament suture made from the polymer paradioxanon. There is no foreign body sensation and the maintenance time is 6 months.

Tubular PLA Thread


Poly-L-lactic acid is an absorbable, semi-permanent, injectable implant that can gradually restore volume and stimulate collagen formation

Tubular material PCL thread


Polycaprolactone is a biodegradable polyester with a low melting point.

Tubular Fabric PCLA Thread


Poly L-lactide-co-ε-caprolactone is a new conceptual ingredient that complements the disadvantages of PDO, PLLA and PCL while combining their advantages. It is a combination of PLLA and PCL.

Comparison of PDO, PLLA and PCLA filaments

What are the advantages of a thread lift over a facelift?

For many patients, the biggest advantage of a thread lift over a faceliftLift with PDO threads is the significantly shorter recovery time associated with a thread lift. Facelift surgery requires the patient to be heavily sedated; therefore, the patient must arrange for someone to drive them home from the hospital

Most facelift patients also require around-the-clock care from a nurse for at least three days after the procedure. In addition, if the patient has children at home, help with child care may be needed. Patients who have undergone a facelift usually need to take one to two weeks off work to recover.

In contrast, recovery from a thread lift is relatively simple. A thread lift can be performed under local anesthesia rather than general anesthesia, which means that patients who undergo a thread lift can go home and care for themselves immediately after the procedure. Although some patients experience mild pain, redness and swelling after a thread lift and may want to take a day off, most can return to work immediately

Strong pain medications are rarely needed after a thread lift, making it easier for patients to return to their normal daily lives. For this reason, the procedure is ideal for people who have children at home or for those who have strenuous and demanding jobs.

Although recovery from a thread lift is not particularly intense, patients still need to take some small precautions during the healing process. It is important to be careful not to rub your face when cleansing and not to apply moisturizer for at least a week after the sutures are in place. Also, try to keep your head slightly elevated so that you do not turn directly onto your face while sleeping.

Thread lifts have a low risk because they are non-invasive. The risk of scarring, severe bruising, bleeding and other complications after a thread lift is virtually nonexistent. In rare cases, irritation and infection may occur or the stitches may become visible under the skin. In this case, however, the sutures can be easily removed, and the patient's face returns to its original state.

Since thread lifts are much easier to perform than facelifts, they are also much less expensive.

How do you decide which material to use for which patient?

First, we must consider the patient's age, the area to be treated, and the desired result.

" PDO threads are better suited for tightening and tissue repair, but not for a lift, so they are more appropriate for younger patients.

" PLA threads provide some lifting, but are also suitable for patients who need only minor tissue tightening.

" PCL threads provide more tightening and are more appropriate for patients who need a small to moderate amount of tightening.

Other factors that influence the desired result are the technique used to apply the thread and the amount of thread


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