PRF for Smile Lines: What It Can and Can't Do

PRF for Smile Lines: What It Can and Can’t Do

PRF can soften smile lines for some people, but it works as a gradual skin-quality treatment, not as an instant replacement for lost volume. It is made from your own blood and aims to improve the skin’s texture, thickness and collagen over several weeks. If your folds are deep and you want a visible change right away, a structural option such as a dermal filler may fit better. Many patients do best with a plan that fits their anatomy, and that is what a consultation should settle.

Below, we explain what the evidence shows, how PRF compares with other approaches, who tends to be a good candidate, and what to ask any injector.

TL;DR

• PRF is autologous. It is prepared from your own blood and injected to support collagen and skin quality, not to add the same instant volume as a filler.
• The evidence is encouraging but limited. Studies are small and varied, and wrinkle results are less consistent than gains in skin thickness and elasticity.
• Expect improvement, not erasure. Smile lines are part of a moving face, and the goal is to soften them naturally.
• Deep folds may need more. Volume loss often calls for a structural treatment, sometimes combined with PRF.
• Natural does not mean risk-free. Blood draw, processing and facial injection still call for an experienced, well-trained provider.

Table of Contents

• What smile lines are and why they deepen
• How PRF works
• What the research actually shows
• PRF versus fillers for smile lines
• Smile lines treatment without filler: the options
• Who tends to be a good candidate for PRF
• Our perspective on PRF for smile lines
• Safety: natural is not the same as risk-free
• What a PRF visit looks like
• PRF for under the eyes and other areas
• Plan your next step at evoyouthful
• FAQ
• Sources

What smile lines are and why they deepen

Smile lines, also called laugh lines or nasolabial folds, are the creases running from the sides of your nose to the corners of your mouth. Cleveland Clinic describes them as creases that can become more prominent and permanent with age, especially with sun exposure and smoking.

The visible crease is only part of the picture. Several things contribute:

• Skin aging: less collagen and elastin means skin folds more easily.
• Sun exposure and smoking: both speed up the breakdown of skin structure.
• Facial movement: years of smiling and talking etch the same paths.
• Volume change: as cheek support shifts and fat pads descend, the fold can look deeper.

This matters because treating only the line may not address what is driving it. Two people with similar-looking folds can need very different plans.

How PRF works

Platelet-rich fibrin (PRF) starts with a small blood draw. The sample is spun in a centrifuge, which concentrates platelets, fibrin and growth factors. The result is then injected into the treatment area, where it is intended to support tissue repair and collagen-related skin improvement. You can read our overview on the PRF injections page.

Some clinics also use a processed, gel-like form of PRF designed to give more immediate contouring than the liquid version. It is still an autologous regenerative treatment. It is not an FDA-approved synthetic dermal filler, and the evidence behind it is smaller and less established than the evidence for FDA-cleared fillers.

What the research actually shows

This is where honest counseling matters most. PRF is promising, but nobody should promise you that smile lines will disappear.

A small prospective study. In a 2020 single-center study, 11 healthy women received injectable PRF monthly for three months. Areas treated included the cheeks, the nasolabial folds (0.5 mL per side) and the upper-lip skin. The researchers reported significant improvements in skin spots, pores and satisfaction measures, and no major adverse effects. Wrinkle improvement was present numerically but was not uniformly significant. The study was small and uncontrolled, so it cannot show that PRF reliably erases deep smile lines.

A broader review. A 2025 systematic review covered 20 studies with 514 patients. Evidence was strongest for skin thickness and elasticity. Significant wrinkle improvement appeared in 40% of the studies that looked at wrinkles, compared with 80% for skin thickness and 75% for elasticity. No serious adverse events were reported, though study designs and protocols varied widely.

What that means for you

PRF may improve the biological quality of aging skin. That can make a fold look softer and the surrounding skin look healthier. But if your main concern is a deep, shadowed crease caused by lost volume, the research does not support expecting a dramatic one-visit correction from PRF alone.

PRF versus fillers for smile lines

Hyaluronic-acid fillers work by adding volume right away. Cleveland Clinic notes that fillers restore fullness, with effects commonly lasting six months to a year depending on the product and anatomy. ASPS educational material similarly says hyaluronic-acid results may last six months or longer, varying by product and area.

In the United States, certain hyaluronic-acid fillers are FDA-approved for specific facial wrinkles and folds in adults, including nasolabial folds. As one example, FDA labeling for Juvéderm Vollure XC covers moderate-to-severe facial wrinkles and folds in adults over 21.

Neither column is better in every case. The right match depends on your face, your timeline and how you feel about a fully autologous approach. We cover the filler side in more depth in our post on what actually works for smile lines and on our dermal fillers page.

Smile lines treatment without filler: the options

Some readers want to avoid fillers altogether. That is a reasonable preference, and there are several routes. Each has limits.

• PRF: best suited to gradual improvement in skin quality, especially when thin skin is part of the issue.
• Skin-tightening and energy-based treatments: Cleveland Clinic lists retinoids, laser or energy-based tightening and surgery among alternatives or adjuncts to filler. Our skin laxity and sagging page outlines the options we offer.
• Collagen stimulators: these build support over time rather than adding instant gel volume. We offer Sculptra, and we can discuss whether it suits you at a consultation.
• Daily skin care: sun protection and retinoid use help prevent further deepening, though they will not rebuild lost structure.
• Neuromodulators: these relax muscles and are generally used for other areas of the face. They are not usually the answer for the nasolabial crease itself.

If you are also curious about light-based, non-injectable approaches, this guide to red light therapy before and after results explains what people typically report and how to read those comparisons with a critical eye.

Who tends to be a good candidate for PRF

Ask yourself a few questions:

• Is my skin thin, dull or crepey around the cheeks and mouth?
• Do I prefer a gradual change over an immediate one?
• Am I comfortable with a blood draw?
• Do I have fine lines and early folds rather than a deep crease?
• Am I comfortable with several visits spaced weeks apart?

If you answered yes to most, PRF may be worth discussing. If your fold is deep and your cheeks have lost support, you may want to talk about structural options first, with PRF as a complement.

Age alone is not the deciding factor either. Being 60 does not make someone too old for dermal fillers. The decision rests on facial anatomy, skin condition, goals, medical history and medications, and FDA labeling for certain fillers cites adults over 21 rather than an upper age limit. The same individualized thinking applies to PRF.

When we would pause or redirect

We would want to talk through your history first if you have an active skin infection or inflammatory skin condition at the site, a bleeding concern, blood-thinning medication, or a history of problems with injections. Those are conversations for a consultation with a clinician, not a reason to guess at home.

Our perspective on PRF for smile lines

We see many patients in Wayzata, Minnetonka and nearby lake communities who tell us the same thing: they don’t want to look overdone, but they do want to look rested. Smile lines are a good example. They are part of a living face, and our aim is to soften them, not flatten them.

We like PRF for patients who value a personalized, regenerative approach and who understand that results build over a series of visits. We are also honest that the research on wrinkle outcomes is mixed. If someone needs immediate structure, we say so, and we talk about fillers or a combined plan.

Our approach combines detailed assessment with the right technology. That includes advanced skin analysis with 3D imaging, so we can look at texture, pigment and pores rather than guess. We tailor each plan to your anatomy and goals, and we focus on non-surgical, minimally invasive options.

The most useful thing you can do is come in with questions, a few photos of how you looked when you felt your best, and an open mind about the order of treatments.

— Elizabeth Vogstrom, PA-C

Safety: natural is not the same as risk-free

Because PRF comes from your own blood, people often assume it carries no risk. That is not a safe assumption. It still involves blood collection, processing and facial injection, so training, sterile technique and anatomy knowledge matter.

The filler literature explains why every facial injector needs an emergency plan. FDA labeling warns that accidental injection into a blood vessel can rarely cause ischemia, skin necrosis, vision impairment or stroke. ASPS lists bruising, swelling, infection, asymmetry, lumps and migration among possible filler risks.

What to do about it:

1. Ask who injects and how much experience they have. ASPS guidance stresses injector experience over the product name.
2. Ask what happens if something goes wrong. For filler, that includes having hyaluronidase available. Our dermal filler safety checklist lists what to ask.
3. Know the warning signs. Severe or prolonged pain, blanching of the skin or any change in vision after a facial injection needs urgent contact with your provider and medical evaluation. If you have vision changes, seek emergency care.
4. Share your full medical history, including medications, allergies and prior injectables.

Mild, temporary redness at injection sites is the most commonly described effect with PRF, according to a 2023 review summary of the field’s safety findings is not what we rely on, so we simply tell patients to expect some short-term redness or swelling and to call us with any concern.

What a PRF visit looks like

1. Consultation and assessment. We review your goals, history and skin. We look at whether volume, skin quality or both drive your smile lines.
2. Blood draw. A small sample is taken, similar to routine lab work.
3. Processing. The sample is spun in a centrifuge to prepare the PRF.
4. Injection. The PRF is placed in the planned areas using an anatomy-based technique.
5. Aftercare. We give you written instructions and a way to reach us with questions.
6. Follow-up and series. The 2020 study used monthly sessions for three months. Your own schedule is set at your consultation.

Because PRF is gradual, judge results over weeks, not days. Photos taken in the same light and angle make progress easier to see.

PRF for under the eyes and other areas

PRF is also used under the eyes for thin-skin concerns such as fine lines, hollowness and dark-circle appearance. That area needs especially careful patient selection and technique, and not everyone with tear-trough shadows is a candidate. If this is on your mind, read our clinic rules for under-eye PRF. If you are wondering how PRF differs from PRP, our PRF vs. PRP comparison explains it.

Plan your next step at evoyouthful

If you want a straight answer on whether PRF, a filler, a collagen stimulator or a combination suits your smile lines, start with a consultation at our Wayzata clinic at 109 Bushaway Road, Suite #100. Elizabeth Vogstrom, PA-C, leads our team, with 20+ years of medical aesthetics experience and advanced BHRT certification. We offer PRF injections and a full range of non-surgical options, and our membership program offers exclusive pricing and perks for ongoing care. Ready to start? Schedule a consultation through evoyouthful.com.

FAQ

Do fillers fix smile lines?

Fillers can soften them, particularly when volume loss is part of the cause. Results commonly last from six months to a year, depending on the product and your anatomy. Fillers will not erase the lines entirely, and many people prefer to keep some natural movement.

Is PRF EZ Gel a filler?

It is designed to give more contour than liquid PRF, but it is an autologous, regenerative treatment made from your own blood. It is not an FDA-approved synthetic dermal filler. Its evidence base is smaller than that of FDA-cleared fillers, so ask your provider what to realistically expect.

Can PRF replace filler for deep nasolabial folds?

For deep folds with significant volume loss, PRF alone is less likely to give a dramatic correction. Research shows mixed wrinkle outcomes, with stronger evidence for skin thickness and elasticity. Many people with deeper folds discuss a structural option, with PRF as a possible complement.

Is 60 too old for dermal fillers?

No. Age alone is not the deciding factor. Your anatomy, skin condition, medical history, medications and goals guide the decision, and a qualified injector should review bleeding risk, allergies and prior treatments before recommending anything.

How many PRF sessions will I need?

That depends on your skin and goals. The 2020 study gave monthly injections for three months, but your plan is individual. We set the schedule after assessing your skin at a consultation.

Sources

• Nasolabial Folds (Smile Lines): Causes & Treatment, Cleveland Clinic
• Injectable platelet-rich fibrin for facial rejuvenation: a prospective, single-center study
• Systematic review of PRP/PRF for facial rejuvenation, 2025
• ASPS: Injectable Fillers brochure
• ASPS: How to avoid complications from dermal fillers
• FDA labeling: Juvéderm Vollure XC
• FDA labeling: dermal filler, adults over 21

Recommended

• PRF Injections in Wayzata, MN
• Clinic Rules for Under Eye PRF: When PRF, PRP, or Filler Is Right
• PRF vs. PRP: Which Regenerative Treatment Is Better for You?
• Smile Lines Filler: What Actually Works and Why