Dermatologist on Acne Scars: What Works in 2026

Dermatologist on Acne Scars

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You’ve finally gotten your acne under control. The breakouts have stopped, the inflammation has settled—and yet, when you look in the mirror, you see a battlefield of pockmarks, rolling valleys, and raised bumps that weren’t there before. You’ve tried every serum, every “miracle” cream, and every TikTok hack. Nothing works.

Here’s what a dermatologist would tell you: acne scars are not a skincare problem. They are a structural problem. And that distinction matters more than you might think.

“I’m always amazed at how much healing the skin can do once you get the inflammation under control,” says dermatologist Dr. Jonathan Braue of Cleveland Clinic. But that healing requires the right intervention—at the right time, with the right technology.

This guide is your dermatologist’s-eye view of acne scars: what they actually are, why they form, which treatments deliver real results in 2026, and what the future holds. No fluff. No false promises. Just the evidence-based reality from the specialists who treat this every day.

Quick Summary: Acne scars are structural changes in the skin caused by deep inflammation. They require in-office dermatological treatment—no topical product can “remove” them. The best outcomes come from early intervention, combination therapies, and realistic expectations.


Background: Why Acne Scars Happen (And Why “Just Don’t Pick” Isn’t the Whole Story)

The Biology of a Scar

Acne scarring is influenced by inflammation, tissue remodeling, vascular changes, and genetic factors. When a deep inflammatory acne lesion—a cyst or nodule—ruptures, it spills bacteria and inflammatory mediators into the surrounding dermis. The body’s repair response involves collagen production, but in acne-prone skin, this process often goes awry.

Dr. Suzan Obagi, director of UPMC Cosmetic Surgery and Skin Health Center, explains it this way: “This is truly inflammatory or cystic acne where the lesions are very deep in the skin. And when they heal, they tend to heal with scarring”.

The key insight most articles miss: it’s not the pimple itself that scars. It’s the uncontrolled inflammation underneath it. A study investigating acne scarring found that having acne for more than 12 months accounted for 34% of scarring causes, while acne severity accounted for 17.6%. Pimple popping—the thing everyone obsesses over—accounted for only about 2.5%.

In other words: not treating acne properly is far more likely to cause scarring than occasionally popping a pimple.

Who Gets Scars?

Roughly 80% of people ages 11 to 30 have experienced acne, and a significant proportion will develop some degree of scarring. Genetics play a major role—if your parents scarred easily, you likely will too. Certain acne subtypes, particularly nodulocystic acne, are far more likely to leave permanent marks.


The Dermatologist’s Framework: Understanding Acne Scar Types

Before any treatment plan, a dermatologist classifies your scars. This isn’t academic—it determines everything about your treatment protocol. Most people have a mix of scar types, which is why single-modality treatments often disappoint.

Atrophic Scars (Depressed)

These are indentations in the skin, accounting for 80–90% of post-acne scarring. There are three major subtypes:

  • Icepick scars: Narrow, deep indentations that extend into the dermis. “They look like someone took an icepick or a tiny needle and poked the skin,” says Dr. Obagi. These are the most difficult to treat because of their depth relative to their width.

  • Boxcar scars: Round or oval indentations with well-defined vertical edges. “You can see the edges around them very well, and they have a very well-defined base,” Dr. Obagi notes. “They look almost like you can draw them out perfectly on the skin”.

  • Rolling scars: Deep, tethered indentations that create an undulating, uneven skin surface. “You really don’t see a scar on the skin, but when you look at the patient under shadows or in direct light, you see this kind of unevenness,” Dr. Obagi explains. “That unevenness is because they’ve lost deep tissue in the dermis. They’ve lost some fat, they’ve lost some collagen and some elastin”.

Hypertrophic and Keloidal Scars (Raised)

Less common with acne than atrophic scars, these are firm, elevated scars that stay within the original wound margins (hypertrophic) or extend beyond them (keloidal). They are more common on the chest and back than on the face.

Post-Inflammatory Erythema and Hyperpigmentation (The “Fake Scars”)

Here’s something dermatologists wish more people understood: red or brown marks left after acne are not scars. They are vascular or pigmentary changes that can fade with time and topical treatment. True scars involve textural change—you can feel them with your fingertip. If you can only see it but not feel it, you’re likely dealing with post-inflammatory changes, not scarring.


Dermatologist-Approved Treatments: What Actually Works in 2026

The Tiered Approach

Dermatologists don’t treat scars with a single procedure. They build a layered protocol based on scar type, skin tone, downtime tolerance, and budget. Here’s the 2026 landscape.

Topicals: The Maintenance Layer

Over-the-counter options can help reduce the appearance of acne scars, particularly post-inflammatory marks. The ones that work best include retinoids and facial acids like alpha hydroxy acids, lactic acid, and salicylic acid. These help remove dead skin cells and stimulate collagen production, which helps fill in scarred tissue.

Reality check: Topicals alone will not resolve atrophic or hypertrophic scars. They are supportive, not curative.

Chemical Peels

A dermatologist applies a chemical solution that causes the surface layer of skin to blister and peel, revealing regenerated skin underneath. This is particularly effective for superficial boxcar scars and post-inflammatory hyperpigmentation. Peeling typically causes redness for up to seven days, but it’s less expensive than lasers because you’ll usually need only one treatment session.

Laser Resurfacing

Lasers are the workhorse of acne scar treatment. They break down damaged scar tissue and stimulate collagen production. In 2026, the options have expanded significantly:

  • Fractional CO₂ lasers remain the gold standard for efficacy, particularly for textural improvement. However, they carry higher risk of post-inflammatory hyperpigmentation in darker skin types.

  • 1550-nm non-ablative lasers with Focal Point Technology now show efficacy across all Fitzpatrick skin types, offering a safer option for patients with deeper skin tones.

  • Non-ablative fractional lasers offer less downtime but may require more sessions.

A meta-analysis comparing fractional CO₂ laser (FCL) versus microneedling radiofrequency (MNRF) found that FCL offers superior efficacy, while MNRF provides better tolerability. The choice should be individualized based on skin type, pain tolerance, and recovery expectations.

Microneedling and Radiofrequency Microneedling

Microneedling, also known as collagen induction therapy, uses fine needles to puncture the skin and trigger growth factors that enhance wound healing. When combined with radiofrequency energy (MNRF), it delivers heat deeper into the dermis for more substantial collagen remodeling.

This is often the first-line recommendation for mild to moderate atrophic scars, particularly in patients who want to avoid the downtime and pigmentation risks of ablative lasers.

Platelet-Rich Plasma (PRP) as an Adjunct

PRP is derived from the patient’s own blood and is rich in growth factors. A 2026 randomized controlled trial published in the Journal of Pakistan Association of Dermatologists found that combining fractional CO₂ laser with PRP showed greater (though not statistically significant) improvement in acne scars, with a better safety profile and higher patient satisfaction compared to laser alone.

The real benefit of PRP? Reduced downtime and fewer adverse effects. The trial reported that erythema, oedema, and pain were significantly less severe in the PRP group.

Subcision

Subcision is a minor surgical technique used for rolling and tethered scars. A dermatologist inserts a specialized needle (Nokor needle or blunt cannula) under the scar and sweeps it side to side, releasing the fibrous bands that anchor the scar to deeper tissue. This allows the skin to rise.

It’s particularly effective as part of a combination approach. One study demonstrated that needleless microsubcision with hyaluronic acid showed a nonsignificant trend toward superiority over the CO₂ pinhole method for atrophic acne scars.

Dermal Fillers

For atrophic scars—particularly boxcar and rolling types—fillers can temporarily restore volume. A 2026 systematic review found that hyaluronic acid fillers demonstrated significant improvement with minimal adverse events, showing the most robust efficacy and safety profile among fillers. Other options include calcium hydroxylapatite (CaHA), poly-L-lactic acid (PLLA), and permanent fillers like Bellafill.

Important: Fillers are temporary (6–18 months for HA) and don’t address the underlying scar architecture. They’re best used as an adjunct to collagen-stimulating treatments.

Botulinum Toxin: An Emerging Adjunct

A critical review published in 2026 examined intradermal microdroplet botulinum toxin for post-acne sequelae. The findings? Atrophic acne scars show the strongest signal for early additive benefit when botulinum toxin is combined with microneedling, lasers, or radiofrequency. However, evidence for post-acne erythema is limited, and the independent contribution of botulinum toxin remains unclear.

The review emphasizes that botulinum toxin should be considered investigational or adjunctive rather than first-line, due to lack of standardized dosing and long-term safety data.


Practical Tips: How to Get the Best Results

1. Treat Active Acne First

This cannot be overstated. “First, they’ll focus on getting your acne managed. The fewer breakouts you have, the fewer scars you’ll get,” says Dr. Braue. Treating scars while acne is still active is like mopping the floor while the tap is still running.

2. Start Treatment Early

Early aggressive therapy with combination regimes targeting acne pathophysiology—including topical retinoids—can prevent scarring. Patients should be referred to a dermatologist when there is evidence of scarring.

One study found that among patients with resolved acne, those who visited a dermatologist sooner were less likely to have scars.

3. Sun Protection Is Non-Negotiable

UV radiation darkens scars and slows healing. Daily broad-spectrum sunscreen with SPF 30 or higher is one of the most effective ways to reduce the appearance of scars and prevent new dark marks.

4. Don’t Pick, Pop, or Squeeze

While the data on popping is nuanced, the advice remains: never dig or attempt to “get to the core” of a lesion. Mechanical extraction increases the risk of trauma to surrounding skin and can worsen inflammation.

5. Set Realistic Expectations

As cosmetic dermatologist Dr. Paul Jarrod Frank puts it: “Often dermatologists can improve scars by 40 to 85 percent, but true removal of a scar is very difficult”. The goal is significant improvement, not perfection.


Common Mistakes and How to Avoid Them

Mistake #1: Using At-Home Treatments for Structural Scars

Serums and creams can help with pigmentation and mild texture, but they cannot fill in an icepick scar or release a tethered rolling scar. Structural scars require structural interventions.

Mistake #2: Expecting Results from a Single Session

Most effective treatments require multiple sessions spaced 4–6 weeks apart. Collagen remodeling is a biological process that takes time.

Mistake #3: Ignoring Skin Tone in Treatment Selection

Darker skin tones are at higher risk of post-inflammatory hyperpigmentation from ablative lasers. This is why the 1550-nm non-ablative laser—which shows efficacy across all Fitzpatrick types—has been such a significant development.

Mistake #4: Falling for “Miracle” TikTok Hacks

Apple cider vinegar, lemon juice, and baking soda pastes are not acne scar treatments. “Apple cider vinegar is not proven to fade or remove acne scars, and dermatologists generally do not recommend it,” notes a 2026 Ubie Doctor’s Note.

Mistake #5: Waiting for Scars to “Fade on Their Own”

Post-inflammatory marks can fade. True structural scars do not. The longer you wait, the more established the scar becomes—and the more treatment it requires.


Pros, Cons, and Balanced Analysis of Treatment Approaches

Treatment Pros Cons
Topicals (Retinoids, AHAs) Accessible, low cost, good for marks Cannot fix structural scars
Chemical Peels Effective for superficial scars, single session, lower cost Limited depth, risk of PIH in dark skin
Fractional CO₂ Laser Gold standard efficacy, significant collagen remodeling Downtime, risk of PIH, cost
Non-Ablative Lasers (1550-nm) Safe for all skin types, less downtime Multiple sessions, moderate improvement
Microneedling RF Good tolerability, safe for dark skin Less efficacious than CO₂ for texture
PRP Adjunct Reduces downtime and side effects Added cost, modest independent effect
Subcision Best for tethered/rolling scars Bruising, requires skilled practitioner
Fillers Immediate volume restoration Temporary, doesn’t address scar structure
Botulinum Toxin Emerging adjunct, may enhance results Investigational, not standardized

Future Trends: What’s Coming in Acne Scar Treatment

AI-Assisted Treatment Planning

The 2026 IMCAS World Congress highlighted a paradigm shift toward precision-based solutions that integrate advanced diagnostics. Artificial intelligence-assisted treatment planning, real-time energy modulation, and smart delivery systems are optimizing treatment precision, safety, and reproducibility. Smart management begins with comprehensive scar phenotyping using three-dimensional imaging, optical coherence tomography, and skin biomechanical assessment.

Polynucleotides and Regenerative Medicine

A 2026 real-world prospective study supports the clinical benefit of combining polynucleotides high purification technology (PN HPT) with hyaluronic acid to reduce atrophic post-acne scar area. Polynucleotides are showing promise as a regenerative option that works at the cellular level.

Exosome Therapy

A systematic review found early evidence for microneedling plus exosome therapy across scarring and pigmentation. A small case series of three patients treated with a single session of Lactobacillus-derived exosomes after microneedling demonstrated improvement across acne severity.

Trifarotene for Prevention

Molecular studies suggest that trifarotene may be considered not only as a preventive agent against scar formation but also as a component of therapy for established atrophic changes. This represents a shift toward treating scarring as part of acne management, not just after the fact.

The Shift Away from the Isotretinoin Waiting Period

For years, dermatologists told patients to wait at least 6 months after stopping isotretinoin before treating scars. Recent studies are negating this dogma. Concurrent isotretinoin-fractional radiofrequency treatment has been shown to outperform delayed therapy, and it is safe to perform skin procedures during or shortly after isotretinoin use.


Conclusion: Key Takeaways

  • Acne scars are structural. No topical product can “remove” them. In-office dermatological treatment is required for true scars.

  • Prevention is the best treatment. Treat active acne early and aggressively. The longer acne persists, the higher the risk of scarring.

  • Scar type determines treatment. Icepick, boxcar, and rolling scars each respond differently to different modalities.

  • Combination therapy outperforms monotherapy. The best protocols layer lasers, microneedling, subcision, and fillers.

  • PRP improves tolerability. Adding PRP to fractional CO₂ laser reduces downtime and side effects.

  • New technologies are safer for all skin tones. The 1550-nm laser and radiofrequency microneedling offer effective options for darker skin.

  • AI and regenerative medicine are the future. Precision planning and polynucleotide/exosome therapies are emerging as powerful tools.

  • Realistic expectations matter. Improvement, not perfection, is the goal. A 40–85% improvement is a realistic target for most patients.


Frequently Asked Questions

Can acne scars go away on their own?

Post-inflammatory marks (red or brown spots) can fade over months. True structural scars—indentations or raised bumps—do not go away without treatment. The longer they persist, the more established they become.

What is the best treatment for acne scars?

There is no single “best” treatment. The optimal approach depends on scar type, skin tone, and budget. Fractional CO₂ laser offers the highest efficacy for texture, while microneedling RF is safer for darker skin tones. Most dermatologists recommend a combination protocol.

How many sessions will I need?

Most treatments require 3–6 sessions spaced 4–6 weeks apart. Deeper scars or more aggressive protocols may require more. Results are gradual and continue to improve for months after the final session.

Can I treat scars while still on isotretinoin?

The traditional recommendation was to wait 6 months after stopping isotretinoin. However, recent studies have shown that concurrent treatment with fractional radiofrequency is safe and may even be superior to delayed treatment. Discuss this with your dermatologist.

Are acne scars worse on darker skin?

Scars themselves are not inherently worse on darker skin, but the risk of post-inflammatory hyperpigmentation from treatments is higher. This is why non-ablative lasers and microneedling are preferred first-line options for Fitzpatrick skin types IV–VI.

How much does acne scar treatment cost?

Costs vary widely by treatment type and geographic location. Laser resurfacing can range from $200 to $3,000 per session, with ablative procedures averaging around $2,000 and non-ablative around $1,100. Microneedling and chemical peels are generally more affordable.


Sources

  1. Cleveland Clinic. “How To Get Rid of Acne Scars.” Health Essentials, 2026.

  2. UPMC HealthBeat. “How to Treat Acne Scars.” 2025.

  3. Dermatology Times. “Journal Digest: August 26, 2026.”

  4. Journal of Pakistan Association of Dermatologists. “Evaluating the Effectiveness of Platelet-Rich Plasma as an Adjunct to Fractional Carbon Dioxide Laser Therapy.” 2026.

  5. Trowbridge, R.M. “Myth: Popping pimples causes scarring.” DermMythBuster, 2025.

  6. IMCAS World Congress. “2026 trends in management of post-acne scars.” 2026.

  7. Journal of Cosmetic Dermatology. “Subcision for Acne Scarring: Experience From Clinical Practice and Review of the Literature.”

  8. Dermatology Times. “Systemic Review Compares Types of Dermal Fillers for Acne Scarring.” 2026.

  9. Dermatology Times. “Concurrent Isotretinoin-Fractional Radiofrequency Treatment Outperforms Delayed FRF Therapy.” 2024.

  10. Dermatology Times. “Journal Digest: April 8, 2026.”

  11. International Journal of Dermatology and Venereology. “Chinese Expert Consensus on Clinical Diagnosis and Treatment of Acne Sequelae.” 2026.


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By novara

Novara Lin Senior Editor & Clean Beauty Analyst Novara Lin is a clean beauty researcher and wellness editor dedicated to demystifying modern skincare and evidence-based living. With a background in formulation science and consumer health reporting, she specializes in analyzing complex ingredient profiles, evaluating product safety, and bridging the gap between clinical research and daily self-care routines. Her work focuses on helping readers cut through industry noise to build minimal, highly effective routines rooted in transparency and skin health. When she isn't testing active formulations or auditing non-toxic household choices, Novara leads editorial strategy for NovaRa Pure.

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