Julaine vs Polynucleotides: How Do They Compare?

Julaine and polynucleotides are both regenerative injectable treatments that improve the skin from within rather than adding instant volume. Because they sound similar, patients often ask how Julaine vs polynucleotides actually compare, and which one is right for them.

However, the short answer is that Julaine rebuilds structural collagen for firmness, while polynucleotides repair and regenerate the skin at a cellular level. In addition, this MediZen guide explains how each one works, where they differ and how to choose.

What Is Julaine?

As a result, julaine is an injectable collagen stimulator rather than a traditional filler. For example, it uses poly-L-lactic acid, or PLLA, microspheres, a material with a long, safe history in medicine. Importantly, once injected into the skin, the microspheres gently prompt your own fibroblasts to produce more collagen. However, rebuilding structure and firmness from within. Instead of adding instant volume, Julaine works gradually. As a result, your skin looks as though it is rejuvenating itself naturally over time. Also, at MediZen we most often use it to soften the nasolabial folds. That said, the lines that run from the nose to the corners of the mouth. What is more, most patients have a course of three treatments. On top of this, spaced four to six weeks apart, with results building over the following months and lasting well.

What Are Polynucleotides?

Of course, polynucleotides are a regenerative treatment made from purified DNA fragments. In short, rather than building structural collagen like Julaine, they work at a deeper. Crucially, cellular level to repair and regenerate the skin, calm inflammation and improve elasticity. However, this makes them especially good for thin, delicate or tired skin. However, they are a standout choice for the under-eye area, where they help with dark circles and crepey texture. Polynucleotides are usually delivered as a course of two to three sessions, with results building over the weeks that follow and lasting several months.

Julaine vs Polynucleotides: How They Work

Both treatments are regenerative, but they target different things. Julaine uses poly-L-lactic acid to stimulate fibroblasts to produce new collagen. This firms and supports the skin and softens folds. Polynucleotides, on the other hand, focus on repair and regeneration, improving the quality, resilience and texture of the skin itself. So Julaine is the more structural, firming treatment, while polynucleotides are the repair-and-rejuvenate treatment.

Julaine vs Polynucleotides: Key Differences

Feature	Julaine	Polynucleotides
Type	PLLA collagen stimulator	Purified DNA regenerative
Main action	Rebuilds collagen and structure	Repairs and regenerates skin
Best for	Nasolabial folds, firmness	Thin, crepey skin and under-eyes
Sessions	Course of 3, 4–6 weeks apart	Course of 2–3 sessions
Results	Build over months, long-lasting	Build over the course, several months
Downtime	Minimal, same-day	Minimal

Which Should You Choose?

As a guide, choose Julaine if your priority is rebuilding collagen, firming the skin and softening folds. Choose polynucleotides if you have thin. Crepey or tired skin, or if your main concern is the delicate under-eye area, where polynucleotides really excel. The two are not direct rivals, because they solve different problems.

Many patients benefit from a combination over time. Using polynucleotides to regenerate and improve skin quality and Julaine to rebuild structure and firmness. At your consultation, a VISIA skin analysis helps us match the right treatment to your skin and your goals.

Can You Combine Julaine and Polynucleotides?

Yes. Because they work in different ways, Julaine and polynucleotides can complement each other as part of a wider regenerative plan. Your practitioner will plan the timing and sequence so that each treatment has the best chance to work.

What to Expect From Your Treatment

Your treatment always begins with a full consultation, where we assess your skin. Discuss your goals and confirm the treatment is right for you. The treatment itself is quick and comfortable, and most patients return to their normal day straight away. Some mild swelling, redness or small bumps at the injection sites are normal. These usually settle within a few days. Because the results build gradually. We will give you a realistic timeline so you know exactly what to expect at each stage of your course.

Are Julaine and Polynucleotides Safe?

Both treatments are regenerative and have strong safety profiles when a qualified medical practitioner carries them out. Julaine uses poly-L-lactic acid and polynucleotides use purified DNA fragments, and both are well established in aesthetics. At MediZen, doctors and nurse practitioners deliver every injectable after a full consultation.

We will explain the normal, short-lived side effects and how to look after the area afterwards. As a result, you feel confident before going ahead. Our medical team is always on hand if you need us between sessions.

Building a Regenerative Skin Plan

Because Julaine and polynucleotides do different jobs, many patients combine them over time as part of a regenerative plan. Polynucleotides can repair and rejuvenate the skin, especially in delicate areas, while Julaine rebuilds structural collagen and firmness. Together, they address both skin quality and support.

At your consultation, a VISIA skin analysis helps us see what your skin needs and plan the right order and timing. As a result, each treatment has the best chance to work.

Is It Worth It?

For patients who want to rebuild firmness or rejuvenate tired skin without the look of fillers. Both Julaine and polynucleotides are well worth considering. Each works with your own skin to deliver a natural, gradual result that lasts for months. Because they address different concerns, many patients find the best value in combining them over time rather than choosing just one. A consultation will help you decide which is the better investment for your skin and your goals.

Julaine and Polynucleotides at MediZen

MediZen is a CQC-registered, Save Face-accredited medical aesthetic clinic in Sutton Coldfield, just a short drive from Birmingham. A qualified doctor or nurse practitioner performs every treatment, never a beautician. Dr David Eccleston founded the clinic in 1999. The Times has named him one of the UK’s best anti-ageing doctors. He now leads a team with more than 30 years of combined experience, all focused on safe, natural-looking results.

At MediZen, Julaine starts from £999 per treatment, or £2,750 for the recommended course of three. You will always receive a clear, personalised quote at your consultation, with no pressure to proceed.

If you would like firmer, healthier, more rejuvenated skin. Book a consultation with our medical team today and we will recommend whether Julaine, polynucleotides or both is right for you. To find out more about julaine vs polynucleotides, book a consultation with our Birmingham team.

Frequently Asked Questions