Profhilo vs Polynucleotides: Which is Better for your skin quality?
If you've been researching ways to improve your skin quality: not mask it, not freeze it, but genuinely improve it: you've likely come across two names: Profhilo and Polynucleotides.
Both have earned a devoted following in London's aesthetic circles. Both promise to work from within, stimulating your skin's own regenerative processes. And both align beautifully with a "skin first" philosophy that prioritises health over quick fixes.
So which one is right for you?
The honest answer: it depends. Not on trends, not on what your favourite influencer had done, but on your skin's specific needs and your personal goals.
I'm going to talk you through how each treatment works, what results you can expect, and how to decide which one makes the most sense for you.
What Is Profhilo?
Profhilo is one of the most talked-about skin quality treatments in London: and for good reason.
It's made from pure hyaluronic acid, but this isn't your typical dermal filler. Profhilo doesn't add volume or structure. Instead, it disperses beneath the skin like honey, deeply hydrating the tissue and triggering your body's own collagen and elastin production.
Think of it as an intensive hydration treatment that also happens to remodel your skin from the inside out.
The results? Brighter, dewier, firmer skin. That subtle glow that makes people ask if you've just returned from holiday: without any obvious signs of "having something done."
How Profhilo Works
The treatment involves small injections at specific points across the face (or neck, or décolletage). Because Profhilo spreads so effectively, fewer injection points are needed compared to traditional treatments.
Most people need two sessions, spaced about four weeks apart. Results begin to show within days, peak at around eight weeks, and typically last 3-6 months before a maintenance session is recommended (it depends on your skin type and we'd discuss this before getting started).
Downtime is minimal: perhaps a day or two of slight redness or small bumps at the injection sites. Nothing that would keep you from your morning meetings.
What Are Polynucleotides?
Polynucleotides are the newer arrival to London clinics, though they've been used in regenerative medicine for decades.
These are purified DNA fragments derived from a type of fish called a Salmon Trout (yes I know!). When injected into the skin, they stimulate fibroblasts (the cells responsible for producing collagen) and promote genuine tissue regeneration.
Where Profhilo hydrates and firms, Polynucleotides repair.
They're particularly effective for concerns like:
- Under-eye darkness and crepey skin
- Acne scarring and uneven texture
- General skin thinning and loss of elasticity
- Areas that need deep, lasting regeneration
How Polynucleotides Work
The treatment protocol typically involves two to three sessions, spaced three to four weeks apart. Unlike Profhilo's almost immediate glow, Polynucleotides require patience. Results build gradually over several weeks as your skin cells regenerate and repair.
But here's the trade-off: those results tend to last longer. Many patients enjoy the benefits for 6 months to a year after completing their treatment cycle.
The Key Differences: A Clear Comparison
Let me break this down simply.
| Profhilo | Polynucleotides | |
|---|---|---|
| Primary action | Deep hydration + collagen stimulation | Cellular regeneration + tissue repair |
| Best for | Dull, dehydrated skin lacking firmness | Scarring, under-eye concerns, deep texture issues |
| Results timeline | Visible within days and keeps getting better | Gradual over weeks |
| How long results last | Approximately 6 months | Up to 12 months |
| Number of sessions | 2 (with maintenance every 3-6 months) | 3-4 (with maintenance every 6-9 months) |
| Downtime | 1-2 days | 2-5 days (depending on product used and area treated) |
Neither is inherently "better." They simply do different things.
Which Treatment Is Right for You?
This is where honest self-assessment: and a thorough consultation: matters.
Choose Profhilo if:
- Your main concern is dull, tired-looking skin that's lost its bounce
- You want visible results quickly (perhaps before an event)
- Hydration and overall radiance are your priorities
- You're happy with maintenance sessions every few months
Profhilo is often the first step for patients new to injectable skin treatments. It's gentle, predictable, and delivers that sought-after "lit from within" effect (although I can't promise you'll look quite as smug as this AI-generated woman below).

Choose Polynucleotides if:
- You have specific concerns like under-eye shadows, acne scars, or textural irregularities
- You prefer slower, more lasting results over instant gratification
- Your skin needs genuine repair, not just hydration
- You want to space out your clinic visits after the initial course
- You've already tried Profhilo and want to go deeper
Polynucleotides suit patients who are thinking long-term. It's regenerative medicine applied to aesthetics: rebuilding rather than refreshing.
Can You Combine Both Treatments?
Absolutely. In fact, this is often the approach I recommend for patients who want comprehensive skin quality improvement.
The two treatments complement each other remarkably well.
Profhilo provides immediate hydration and that beautiful surface glow. Polynucleotides work in a different way, repairing tissue architecture and addressing stubborn concerns that hydration alone won't solve.
Together, they address multiple signs of ageing simultaneously:
- Dehydration and dullness
- Fine lines and crepiness
- Loss of elasticity and firmness
- Uneven texture and tone
- Under-eye darkness
We typically stagger the treatments, completing one protocol before beginning the other. This allows us to see how your skin responds and tailor the approach accordingly.
There's no one-size-fits-all answer here. Your treatment plan should be as individual as you are.
What to Expect at a Consultation
Before recommending either treatment, I'll want to understand your skin's history, your lifestyle, your concerns, and: crucially: your expectations.
This isn't about pushing a particular product. It's about listening first.
We'll assess your skin's current condition: hydration levels, elasticity, texture, any specific areas of concern. We'll discuss your timeline, your comfort level with treatment frequency, and what "better skin" actually means to you.
Sometimes the answer is Profhilo. Sometimes it's Polynucleotides. Sometimes it's a considered combination of both.
And occasionally, the answer is something else entirely: perhaps skincare or a different treatment pathway altogether.
The goal is always the same: skin that looks healthy, natural, and undeniably yours.
The Bottom Line
Profhilo and Polynucleotides represent the best of modern skin quality treatments. Neither will freeze your face or add artificial volume. Both work with your body's own processes to create genuine, lasting improvement.
If you're looking for Profhilo in London or exploring Polynucleotides in London for the first time, the most important step is finding a practitioner who will take the time to understand what your skin actually needs.
Because good, healthy, glowing skin isn't about following trends.
It's about balance. Subtlety. Refinement.
It's about looking in the mirror and seeing the best version of yourself: refreshed, never "done."
Considering Profhilo or Polynucleotides? Book a consultation to discuss which approach would work best for your skin.