{"id":68072,"date":"2026-08-18T09:27:22","date_gmt":"2026-08-18T17:27:22","guid":{"rendered":"https:\/\/www.allureesthetic.com\/blog\/?p=68072"},"modified":"2026-09-01T18:30:43","modified_gmt":"2026-09-02T02:30:43","slug":"what-is-rejuran-and-how-does-it-work","status":"publish","type":"post","link":"https:\/\/www.allureesthetic.com\/blog\/what-is-rejuran-and-how-does-it-work\/","title":{"rendered":"What Is Rejuran and How Does It Work?"},"content":{"rendered":"\n

Rejuran<\/a> is a polynucleotide-based skin rejuvenation treatment designed to support the skin’s natural repair process. It uses purified DNA-derived material, commonly sourced from salmon, and is intended to improve skin quality rather than simply add facial volume. People may consider it for concerns such as fine lines, uneven texture, dryness, and reduced elasticity. Unlike traditional dermal fillers, Rejuran is not mainly used to reshape the cheeks, lips, chin, or other facial areas. Instead, the goal is gradual improvement in the look and feel of the skin. The terms PN and PDRN are often used together in aesthetic medicine, but they are related and are not always exactly the same.<\/p>\n\n\n\n

What Is Rejuran?<\/h2>\n\n\n\n

Rejuran is a branded aesthetic treatment associated with purified polynucleotides (PN). These are DNA-derived molecules used in skin and regenerative treatments. Rejuran products are associated with salmon-derived DNA material that goes through purification before being used in an injectable formulation. Research on polynucleotides suggests that they may support tissue repair, hydration, and changes in the skin’s structure over time.<\/p>\n\n\n\n

The main idea behind a Rejuran treatment<\/a> is different from a traditional filler. A filler is usually placed into a specific area to restore or add volume. Rejuran is intended to focus more on skin quality. This means someone looking for smoother-looking skin, better hydration, or improved elasticity may be interested in this type of treatment without wanting a noticeable change in facial shape.<\/p>\n\n\n\n

It is also important not to treat every PN or PDRN product as Rejuran. Rejuran is a brand, while PN and PDRN describe groups of DNA-derived materials. The exact ingredients, concentration, manufacturing process, and approved uses can differ between products.<\/p>\n\n\n\n

What Is Rejuran Made Of?<\/h3>\n\n\n\n

Rejuran is associated with purified polynucleotides derived from salmon DNA. The source material is processed and purified so that the final product can be used in medical and aesthetic applications. PDRN, another DNA-derived material, has also been studied for tissue repair and wound healing.<\/p>\n\n\n\n

PN and PDRN are closely related, but researchers have pointed out that they can differ in molecular size and biological behavior. A 2025 review specifically noted that the terms are sometimes used interchangeably even though they can describe different types of DNA-derived polymers.<\/p>\n\n\n\n

This distinction matters because saying that every salmon-DNA treatment is automatically the same would be misleading. Patients should know the exact product being used during their consultation.<\/p>\n\n\n\n

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ALSO READ: How Long Does Rejuran Last\u200b?<\/a><\/p>\n<\/blockquote>\n\n\n\n

How Does Rejuran Work?<\/h2>\n\n\n\n

The simple answer is that polynucleotides are placed into the skin, where they may help create an environment that supports the body’s natural repair and remodeling processes. Research on PN treatments suggests effects related to hydration, tissue remodeling, and skin repair, although the evidence is still developing and results can vary.<\/p>\n\n\n\n

1. Rejuran Is Placed Into the Skin<\/h3>\n\n\n\n

During a Rejuran injection, the product is administered into the skin in the areas selected during the treatment plan. The exact injection method, depth, amount, and treatment pattern depend on the product and the provider.<\/p>\n\n\n\n

The treatment is different from placing a traditional filler deep into a specific area to create volume. The purpose is generally to distribute the product in areas where improving skin quality is the main goal.<\/p>\n\n\n\n

2. Polynucleotides Support the Skin’s Repair Environment<\/h3>\n\n\n\n

Once placed in the skin, polynucleotides may interact with the surrounding tissue and support processes involved in repair. Research has suggested that PN treatments may help support hydration and the extracellular environment around skin cells.<\/p>\n\n\n\n

It is better to describe this as supporting the skin’s repair environment rather than claiming that Rejuran simply “rebuilds” damaged DNA. The science is more complex than that, and different PN and PDRN products may behave differently.<\/p>\n\n\n\n

3. Skin Cells Respond to the Treatment<\/h3>\n\n\n\n

Fibroblasts are cells in the skin that help produce collagen and other parts of the skin’s support structure. Research into polynucleotide and PDRN treatments has examined their effects on fibroblasts and other processes involved in tissue repair.<\/p>\n\n\n\n

The goal is not to force the skin to change overnight. Instead, the treatment is intended to support natural processes that may gradually improve the condition and appearance of the skin.<\/p>\n\n\n\n

4. Collagen and Skin Structure May Improve Over Time<\/h3>\n\n\n\n

Some clinical research has reported improvements in measures such as elasticity, skin roughness, and wrinkle appearance after repeated PN treatments. However, results are not guaranteed, and studies vary in their design and the products used.<\/p>\n\n\n\n

This is why Rejuran benefits are generally discussed as gradual improvements in skin quality rather than instant facial volume.<\/p>\n\n\n\n

5. Skin Quality Can Improve Gradually<\/h3>\n\n\n\n

Depending on the individual and the product used, people may seek improvements in texture, hydration, elasticity, fine lines, and overall skin appearance. The goal is a healthier-looking skin surface rather than a dramatically different face.<\/p>\n\n\n\n

Rejuran vs. PDRN: Are They the Same?<\/h2>\n\n\n\n

Rejuran and PDRN are related, but they should not automatically be treated as identical. Rejuran is a branded treatment associated with polynucleotides, while PDRN stands for polydeoxyribonucleotide, a related group of DNA-derived molecules. Scientific reviews explain that PN and PDRN can differ in molecular size and their proposed biological actions.<\/p>\n\n\n\n

Rejuran<\/strong><\/td>PDRN<\/strong><\/td><\/tr>
Branded aesthetic treatment<\/td>Type of DNA-derived material<\/td><\/tr>
Primarily associated with PN<\/td>Polydeoxyribonucleotide<\/td><\/tr>
Often discussed for skin quality<\/td>Studied for repair and regenerative uses<\/td><\/tr>
Associated with longer DNA-derived polymers<\/td>Generally associated with shorter DNA fragments<\/td><\/tr>
Not automatically the same as every PDRN product<\/td>Not every PDRN product is Rejuran<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Why Do Clinics Call Rejuran PDRN?<\/h3>\n\n\n\n

The terms are often mixed in aesthetic marketing because both treatments involve DNA-derived materials and are commonly discussed in connection with skin repair and rejuvenation. However, current scientific literature highlights the difference between PN and PDRN.<\/p>\n\n\n\n

For this reason, a patient should ask the provider what exact product is being used rather than relying only on a general term such as “salmon DNA treatment.”<\/p>\n\n\n\n

What Are the Benefits of Rejuran?<\/h2>\n\n\n\n

The potential Rejuran benefits are mainly related to skin quality. Research on polynucleotide-based treatments has reported possible improvements in hydration, elasticity, texture, wrinkles, and skin repair, although more high-quality research is still needed.<\/p>\n\n\n\n

May Improve Skin Texture<\/h3>\n\n\n\n

Polynucleotide treatments may help improve the appearance of rough or uneven skin texture over time. This is one reason they are often considered by people who want smoother-looking skin without adding facial volume.<\/p>\n\n\n\n

May Support Skin Hydration<\/h3>\n\n\n\n

Some clinical research has reported improvements in skin hydration following PN treatment. Better hydration can make skin look softer and more refreshed.<\/p>\n\n\n\n

May Improve Skin Elasticity<\/h3>\n\n\n\n

Elasticity refers to the skin’s ability to stretch and return toward its original shape. Studies have reported improvements in elasticity following certain PN treatments, although results vary between studies and products.<\/p>\n\n\n\n

May Soften the Look of Fine Lines<\/h3>\n\n\n\n

Because skin structure and hydration can affect the appearance of fine lines, improving skin quality may make some fine lines look less noticeable. Rejuran should not be presented as a guaranteed wrinkle-removal treatment.<\/p>\n\n\n\n

May Support Skin Repair<\/h3>\n\n\n\n

PN and PDRN research has explored their role in tissue repair, inflammation, and wound healing. These findings are part of the reason these materials have attracted interest in aesthetic medicine.<\/p>\n\n\n\n

May Improve Overall Skin Quality<\/h3>\n\n\n\n

The overall goal is often subtle: skin that looks smoother, more hydrated, and more elastic rather than a face that looks reshaped.<\/p>\n\n\n\n

May Help With Acne-Scar Texture<\/h3>\n\n\n\n

Polynucleotide-based treatments have also been studied for scars, including facial scars. Early research is promising, but patients should understand that acne scars have many types and may need a combination of treatments.<\/p>\n\n\n\n

What Skin Concerns Can Rejuran Treat?<\/h2>\n\n\n\n

It is safer to say that Rejuran treatment may be considered for certain skin concerns rather than saying it can treat every concern. People may ask about it when they have fine lines, uneven texture, dry or dehydrated-looking skin, reduced elasticity, early signs of aging, acne-scar texture, or skin that appears thin or less healthy.<\/p>\n\n\n\n

However, Rejuran is not a replacement for every cosmetic treatment. Someone who wants more cheek volume may be better suited to a dermal filler. Someone concerned about movement-related forehead lines may ask about Botox or another neuromodulator. A consultation can help determine which treatment matches the actual concern.<\/p>\n\n\n\n

Where Can Rejuran Be Used?<\/h2>\n\n\n\n

Face<\/h3>\n\n\n\n

The face is one of the main areas discussed for PN-based skin rejuvenation. Treatment may focus on areas where skin quality, texture, fine lines, or hydration are concerns.<\/p>\n\n\n\n

Under-Eye Area<\/h3>\n\n\n\n

The thin skin around the eyes can be sensitive, so treatment in this area requires careful assessment. Clinical research has studied PN products around the eyes, including changes in hydration and elasticity.<\/p>\n\n\n\n

Neck<\/h3>\n\n\n\n

The neck may also be considered for skin-quality treatments, depending on the product and provider’s treatment plan. Not every product is appropriate for every body area, so patients should ask what areas the specific product is intended for.<\/p>\n\n\n\n

Rejuran Treatment: What Happens During the Procedure?<\/h2>\n\n\n\n

A Rejuran treatment normally starts with a consultation and skin assessment. The provider looks at the skin, discusses the patient’s concerns, reviews medical history, and determines whether the treatment is appropriate.<\/p>\n\n\n\n

If treatment is recommended, the skin is prepared before the product is administered. The exact technique depends on the product and the provider. After treatment, patients may have temporary redness, swelling, small raised areas, tenderness, or bruising.<\/p>\n\n\n\n

Aftercare instructions should always come from the treating provider. Patients should follow those instructions rather than copying an aftercare routine from another clinic or social media post.<\/p>\n\n\n\n

Does Rejuran Hurt?<\/h2>\n\n\n\n

A Rejuran injection can cause some discomfort because the product is administered through small injections. How it feels can depend on the treatment area, the person’s sensitivity, and whether a numbing product is used.<\/p>\n\n\n\n

Areas with thinner or more sensitive skin may feel different from other areas. Temporary tenderness or small injection marks can also occur afterward. It is more accurate to say that discomfort is usually temporary than to promise that the treatment is completely painless.<\/p>\n\n\n\n

What Does Rejuran Recovery Look Like?<\/h2>\n\n\n\n

Recovery from injectable PN treatments is usually associated with temporary effects such as redness, swelling, small bumps, tenderness, or bruising. The exact duration varies between patients and treatment areas.<\/p>\n\n\n\n

Allure Esthetic’s current Rejuran Salmon PDRN information describes small bumps and redness after treatment, with mild bruising or tenderness sometimes lasting longer.<\/p>\n\n\n\n

Patients should follow the specific aftercare instructions provided by their medical team, especially regarding makeup, exercise, heat, skincare products, and sun exposure.<\/p>\n\n\n\n

When Will You See Rejuran Results?<\/h2>\n\n\n\n

Rejuran is not designed to create the same type of immediate change as a volumizing filler. Some people may notice changes in skin appearance early, but the more important goal is gradual improvement.<\/p>\n\n\n\n

Skin remodeling takes time. Results can depend on the person’s age, skin condition, treatment area, product used, and treatment plan. Some studies have found improvements after a series of treatments rather than after a single session.<\/p>\n\n\n\n

How Long Do Rejuran Results Last?<\/h2>\n\n\n\n

There is no single result duration that applies to everyone. Longevity can depend on age, skin condition, sun exposure, lifestyle, skincare habits, treatment plan, and whether maintenance treatments are recommended.<\/p>\n\n\n\n

It is better to discuss expected duration with the provider using the specific product and treatment plan rather than relying on a general “six to twelve months” statement found online.<\/p>\n\n\n\n

How Many Rejuran Treatments Do You Need?<\/h2>\n\n\n\n

There is no universal number of treatments for every patient. The recommended plan depends on the skin concern, treatment area, product, and the provider’s assessment.<\/p>\n\n\n\n

Some published studies have evaluated repeated PN treatments, and Allure Esthetic’s Rejuran page describes a commonly used multi-session protocol while noting that the number of sessions can vary.<\/p>\n\n\n\n

Who Is a Good Candidate for Rejuran?<\/h2>\n\n\n\n

Someone interested in Rejuran skin treatment may be a candidate if the main goal is gradual improvement in skin texture, hydration, elasticity, or overall skin quality. It may appeal to people who want a subtle result rather than added facial volume.<\/p>\n\n\n\n

Who May Not Be a Good Candidate?<\/h3>\n\n\n\n

Not everyone should receive injectable skin treatments. Active skin infections, certain allergies, pregnancy or breastfeeding, some medical conditions, bleeding risks, and other factors may affect whether treatment is appropriate. The provider should review the patient’s health history and goals before treatment.<\/p>\n\n\n\n

Is Rejuran FDA Approved in the United States?<\/h2>\n\n\n\n

This is an important question for anyone considering Rejuran Seattle or another U.S. treatment. Rejuran should not be described as an FDA-approved dermal filler or cosmetic injectable in the United States unless a specific product has received FDA authorization for that use.<\/p>\n\n\n\n

The FDA explains that approved human drugs can be checked through its Drugs@FDA database and related approval resources. Current U.S. information does not establish Rejuran as an FDA-approved cosmetic injectable treatment. Approval in another country does not mean a product has FDA approval in the United States.<\/p>\n\n\n\n

Is Rejuran Safe?<\/h2>\n\n\n\n

No injectable treatment should be described as completely risk-free or safe<\/a>. Common temporary effects may include redness, swelling, small bumps, tenderness, and bruising.<\/p>\n\n\n\n

More serious complications are possible with injectable treatments, even though they may be uncommon. The available research on PN treatments is encouraging, but recent reviews also point out that studies can be small and that long-term evidence is still developing.<\/p>\n\n\n\n

A qualified medical provider should explain the expected benefits, limitations, and risks before treatment.<\/p>\n\n\n\n

Rejuran vs. Dermal Fillers<\/h2>\n\n\n\n

Rejuran and dermal fillers are designed for different goals. Rejuran focuses mainly on skin quality and gradual rejuvenation. Dermal fillers are primarily used to add or restore volume and can be used to shape areas such as the lips, cheeks, chin, or jawline.<\/p>\n\n\n\n

Neither is automatically “better.” The right choice depends on the problem being treated. Someone with poor skin texture may want a skin-quality treatment, while someone with lost facial volume may need a volumizing treatment.<\/p>\n\n\n\n

Rejuran vs. Botox<\/h2>\n\n\n\n

Botox and Rejuran also work differently. Botox is a neuromodulator that reduces the movement of selected muscles and is commonly used for dynamic wrinkles. Rejuran focuses on skin quality rather than muscle movement.<\/p>\n\n\n\n

For this reason, Rejuran treatment is not a replacement for Botox. Some people may use different treatments for different concerns, but a provider should decide whether combining treatments is appropriate.<\/p>\n\n\n\n

Rejuran vs. Microneedling<\/h2>\n\n\n\n

Microneedling uses tiny needles to create controlled micro-injuries in the skin, which can trigger the body’s natural healing response. Rejuran is a polynucleotide-based treatment designed to support skin quality.<\/p>\n\n\n\n

They are different treatments, although some clinics may use them together. At Allure Esthetic, we also offer microneedling with Rejuran<\/a> for concerns such as acne-scar texture and skin quality.<\/p>\n\n\n\n

Rejuran vs. PDRN Treatment at Allure Esthetic<\/h2>\n\n\n\n

People researching Rejuran often come across the term PDRN because both involve DNA-derived materials and are discussed in relation to skin repair. However, they are not automatically interchangeable.<\/p>\n\n\n\n

Allure Esthetic<\/a> offers Rejuran Treatment as a non-surgical skin-rejuvenation option. The service page describes it as an option for concerns including hydration, fine lines, skin tone, texture, and acne scarring.<\/p>\n\n\n\n

This does not mean every PDRN treatment is Rejuran. The exact product matters. During a consultation, patients can ask what product is being used and why it is recommended for their skin.<\/p>\n\n\n\n

How Much Does Rejuran Cost?<\/h2>\n\n\n\n

The cost of Rejuran or another PN\/PDRN treatment can vary based on the product, treatment area, amount used, number of sessions, provider, and location.<\/p>\n\n\n\n

It is important to compare the actual product and treatment plan rather than comparing prices alone. Two treatments that use different products may not be directly comparable.<\/p>\n\n\n\n

Rejuran in Seattle: What Should You Look For?<\/h2>\n\n\n\n

When searching for Rejuran Seattle, look beyond the treatment name. Ask which product will be used, who will administer it, what the treatment is intended to improve, what risks apply, and what kind of follow-up is provided.<\/p>\n\n\n\n

A good consultation should also include realistic expectations. Patients should understand whether they are receiving Rejuran, PDRN, another PN product, or a different skin treatment. Clear product information is especially important because PN and PDRN terms are often mixed in online marketing.<\/p>\n\n\n\n

Why Choose Allure Esthetic for Skin Rejuvenation?<\/h2>\n\n\n\n

Allure Esthetic provides non-surgical skin-rejuvenation options in Seattle, including Salmon PDRN Treatment. Dr. Javad Sajan<\/a> leads the practice and focuses on cosmetic and reconstructive procedures involving the face and body.<\/p>\n\n\n\n

For anyone considering a Rejuran skin treatment or related PDRN option, the most important step is understanding the exact product, the reason it is recommended, and what results can reasonably be expected. Allure Esthetic’s treatment planning is designed around the patient’s individual skin concerns rather than using the same approach for everyone.<\/p>\n\n\n\n

Medically Reviewed By: Dr. Javad Sajan:<\/strong> Dr. Sajan is the founder of Allure Esthetic and focuses on cosmetic and reconstructive procedures of the face and body.<\/p>\n\n\n\n

Final Takeaway<\/h2>\n\n\n\n

Rejuran is a polynucleotide-based skin treatment associated with gradual improvements in skin quality. It is different from traditional fillers because its main purpose is not to add facial volume or change the shape of the face. Research suggests that PN-based treatments may support hydration, elasticity, skin texture, and tissue remodeling, but results vary and the evidence is still developing.<\/p>\n\n\n\n

The difference between PN and PDRN is also important. These terms are related but are not automatically interchangeable. Anyone considering treatment should ask exactly which product is being used and whether it is appropriate for their needs.<\/p>\n\n\n\n

For people exploring Rejuran Seattle<\/a> options, a consultation with a qualified medical provider can help clarify whether Rejuran, Salmon PDRN, microneedling, Botox, fillers, or another treatment makes the most sense.<\/p>\n\n\n\n

FAQs<\/h2>\n

What is Rejuran?<\/h3>\n\n\n\n

Rejuran is a branded skin-rejuvenation treatment associated with purified polynucleotides derived from salmon DNA. It is designed to focus on skin quality rather than simply adding facial volume.<\/p>\n\n\n\n

How does Rejuran work?<\/h3>\n\n\n\n

How does Rejuran work? Polynucleotides are placed into the skin and may support processes involved in skin repair, hydration, and tissue remodeling. The goal is gradual improvement rather than instant volume.<\/p>\n\n\n\n

Is Rejuran the same as PDRN?<\/h3>\n\n\n\n

No. Rejuran is a branded treatment associated with polynucleotides, while PDRN refers to polydeoxyribonucleotide. They are related DNA-derived materials, but scientific literature distinguishes them based on properties such as molecular size.<\/p>\n\n\n\n

Is Rejuran an injectable?<\/h3>\n\n\n\n

Yes, Rejuran is commonly administered through injections into the skin. The exact injection technique depends on the product and provider.<\/p>\n\n\n\n

What does Rejuran do for your skin?<\/h3>\n\n\n\n

It is intended to support skin quality. Potential areas of improvement include hydration, texture, elasticity, fine lines, and overall skin appearance, although results vary.<\/p>\n\n\n\n

How long does Rejuran take to work?<\/h3>\n\n\n\n

Rejuran is generally considered a gradual treatment. Skin changes may develop over time as the skin responds to the treatment rather than appearing as an immediate volume change.<\/p>\n\n\n\n

How long do Rejuran results last?<\/h3>\n\n\n\n

There is no single duration that applies to everyone. Results can depend on the patient’s skin, lifestyle, treatment plan, product, and maintenance schedule.<\/p>\n\n\n\n

How many Rejuran treatments are needed?<\/h3>\n\n\n\n

The number varies by patient. Some treatment plans use multiple sessions, while the appropriate schedule depends on the skin concern, product, and provider assessment.<\/p>\n\n\n\n

Does Rejuran hurt?<\/h3>\n\n\n\n

Some people experience brief stinging or discomfort during the injections. Temporary tenderness, redness, swelling, or bruising may also occur.<\/p>\n\n\n\n

What are the side effects of Rejuran?<\/h3>\n\n\n\n

Temporary redness, swelling, small bumps, tenderness, and bruising can occur. Injectable treatments also have less common but potentially serious risks, so patients should discuss these with their provider.<\/p>\n\n\n\n

Is Rejuran FDA approved in the U.S.?<\/h3>\n\n\n\n

Rejuran is not currently established as an FDA-approved cosmetic injectable or dermal filler in the United States. Patients should check the FDA’s official approval databases and ask their provider about the regulatory status of the exact product being offered.<\/p>\n\n\n\n

Is Rejuran available in Seattle?<\/h3>\n\n\n\n

Patients searching for Rejuran Seattle may find clinics offering Rejuran or related PN\/PDRN treatments. It is important to confirm the exact product being used because Rejuran, PN, and PDRN are not automatically the same thing.<\/p>\n\n\n\n

Sources<\/strong><\/h2>\n\n\n\n

PubMed: Comparison of Polynucleotide and Polydeoxyribonucleotide in Dermatology<\/a>
PubMed: From PDRNs to PNs \u2013 Scientific Definitions and Clinical Applications<\/a>
PubMed: Pharmacological Activity and Clinical Use of PDRN<\/a>
FDA: How to Find Out if a Drug Is Approved<\/a>
FDA: Orange Book \u2013 Approved Drug Products<\/a><\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

Rejuran is a polynucleotide-based skin rejuvenation treatment designed to support the skin’s natural repair process. It uses purified DNA-derived material, commonly sourced from salmon, and is intended to improve skin quality rather than simply add facial volume. People may consider it for concerns such as fine lines, uneven texture, dryness, and reduced elasticity. 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